West Lynn Creamery v. Healy (93-141), 512 U.S. 186 (1994).
[ Stevens ]
[ Scalia ]
[ Rehnquist ]
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NOTICE: This opinion is subject to formal revision before publication in the preliminary print of the United States Reports. Readers are requested to notify the Reporter of Decisions, Supreme Court of the United States, Wash ington, D.C. 20543, of any typographical or other formal errors, in order that corrections may be made before the preliminary print goes to press.


No. 93-141


on writ of certiorari to the supreme judicial court of massachusetts

[June 17, 1994]

Justice Stevens delivered the opinion of the Court.

Petitioner West Lynn Creamery, Inc., is a milk dealer licensed to do business in Massachusetts. It purchases raw milk, which it processes, packages, and sells to wholesalers, retailers, and other milk dealers. About 97% of the raw milk it purchases is produced by out of state farmers. Petitioner LeComte's Dairy, Inc., is also a licensed Massachusetts milk dealer. It purchases all of its milk from West Lynn and distributes it to retail outlets in Massachusetts.

Since 1937, the Agricultural Marketing Agreement Act, 50 Stat. 246, as amended, 7 U.S.C. § 601 et seq., has authorized the Secretary of Agriculture to regulate theminimum prices paid to producers of raw milk by issuing marketing orders for particular geographic areas. [n.1] While the Federal Government sets minimum prices based on local conditions, those prices have not been so high as to prevent substantial competition among producers in different States. In the 1980's and early 1990's, Massachusetts dairy farmers began to lose market share to lower cost producers in neighboring States. In response, the Governor of Massachusetts appointed a Special Commission to study the dairy industry. The Commission found that many producers had sold their dairy farms during the past decade and that if prices paid to farmers for their milk were not significantly increased, a majority of the remaining farmers in Massachusetts would be "forced out of business within the year." App. 13. On January 28,1992, relying on the Commission's Report, the Commissioner of the Massachusetts Department of Food and Agriculture (respondent) declared a State of Emergency. In his declaration he noted that the average federal blend price [n.2] had declined from $14.67 per hundred pounds (cwt) of raw milk in 1990 to $12.64/cwt in 1991, while costs of production for Massachusetts farmers had risen to an estimated average of $15.50/cwt. Id., at 27. He concluded:

"Regionally, the industry is in serious trouble and ultimately, a federal solution will be required. In the meantime, we must act on the state level to preserve our local industry, maintain reasonable minimum prices for the dairy farmers, thereby ensure a continuous and adequate supply of fresh milk for our market, and protect the public health." Id., at 31.

Promptly after his declaration of emergency, respondent issued the pricing order that is challenged in this proceeding. [n.3]

The order requires every "dealer" [n.4] in Massachusetts to make a monthly "premium payment" into the "Massachusetts Dairy Equalization Fund." The amount of those payments is computed in two steps. First, the monthly "order premium" is determined by subtracting the federal blend price for that month from $15 and dividingthe difference by three; thus if the federal price is $12/cwt, the order premium is $1/cwt. [n.5] Second, the premium is multiplied by the amount (in pounds) of the dealer's Class I [n.6] sales in Massachusetts. Each month the fund is distributed to Massachusetts producers. [n.7] Each Massachusetts producer receives a share of the total fund equal to his proportionate contribution to the State's total production of raw milk. [n.8]

Petitioners West Lynn and LeComte's complied with the pricing order for two months, paying almost $200,000 into the Massachusetts Dairy Equalization Fund. Id., at 100, 105. Starting in July 1992, however, petitioners refused to make the premium payments, and respondent commenced license revocation proceedings. Petitioners then filed an action in state court seeking aninjunction against enforcement of the order on the ground that it violated the Commerce Clause of the Federal Constitution. The state court denied relief and respondent conditionally revoked their licenses.

The parties agreed to an expedited appellate procedure, and the Supreme Judicial Court of Massachusetts transferred the cases to its own docket. It affirmed, because it concluded that "the pricing order does not discriminate on its face, is evenhanded in its application, and only incidentally burdens interstate commerce." West Lynn Creamery, Inc. v. Commissioner of Dept. of Food and Agriculture, 415 Mass. 8, 15, 611 N. E. 2d 239, 243 (1993). The Court noted that the "pricing order was designed to aid only Massachusetts producers." Id., at 16, 611 N. E. 2d, at 244. It conceded that "[c]ommon sense" indicated that the plan has an "adverse impact on interstate commerce" and that "the fund distribution scheme does burden out of State producers." Id., at 17, 611 N. E. 2d, at 244. Nevertheless, the Court asserted that "the burden is incidental given the purpose and design of the program." Id., at 18, 611 N. E. 2d, at 244. Because it found that the "local benefits" provided to the Commonwealth's dairy industry "outweigh any incidental burden on interstate commerce," it sustained the constitutionality of the pricing order. Id., at 19, 611 N. E. 2d, at 245. We granted certiorari, 510 U. S. ___ (1993), and now reverse.

The Commerce Clause vests Congress with ample power to enact legislation providing for the regulation of prices paid to farmers for their products. United States v. Darby, 312 U.S. 100 (1941); Wickard v. Filburn, 317 U.S. 111 (1942); Mandeville Island Farms, Inc. v. American Crystal Sugar Co., 334 U.S. 219 (1948). An affirmative exercise of that power led to the promulgation of the federal order setting minimum milk prices. The Commerce Clause also limits the power of the Commonwealth of Massachusetts to adopt regulations that discriminate against interstate commerce. "This `negative' aspect of the Commerce Clause prohibits economic protectionism--that is, regulatory measures designed to benefit in state economic interests by burdening out of state competitors. . . . Thus, state statutes that clearly discriminate against interstate commerce are routinely struck down . . . unless the discrimination is demonstrably justified by a valid factor unrelated to economic protectionism . . ." New Energy Co. of Indiana v. Limbach, 486 U.S. 269, 273-274 (1988). [n.9]

The paradigmatic example of a law discriminating against interstate commerce is the protective tariff or customs duty, which taxes goods imported from other States, but does not tax similar products produced in State. A tariff is an attractive measure because it simultaneously raises revenue and benefits local producers by burdening their out of state competitors. Nevertheless, it violates the principle of the unitary national market by handicapping out of state competitors, thus artificially encouraging in state production even when the same goods could be produced at lower cost in other States.

Because of their distorting effects on the geography of production, tariffs have long been recognized as violative of the Commerce Clause. In fact, tariffs against theproducts of other States are so patently unconstitutional that our cases reveal not a single attempt by any State to enact one. Instead, the cases are filled with state laws that aspire to reap some of the benefits of tariffs by other means. In Baldwin v. G. A. F. Seelig, Inc., 294 U.S. 511 (1935), the State of New York attempted to protect its dairy farmers from the adverse effects of Vermont competition by establishing a single minimum price for all milk, whether produced in New York or elsewhere. This Court did not hesitate, however, to strike it down. Writing for a unanimous Court, Justice Cardozo reasoned:

"Neither the power to tax nor the police power may be used by the state of destination with the aim and effect of establishing an economic barrier against competition with the products of another state or the labor of its residents. Restrictions so contrived are an unreasonable clog upon the mobility of commerce. They set up what is equivalent to a rampart of customs duties designed to neutralize advantages belonging to the place of origin." Id., at 527.

Thus, because the minimum price regulation had the same effect as a tariff or customs duty--neutralizing the advantage possessed by lower cost out of state producers--it was held unconstitutional. Similarly, in Bacchus Imports, Ltd. v. Dias, 468 U.S. 263 (1984), this Court invalidated a law which advantaged local production by granting a tax exemption to certain liquors produced in Hawaii. Other cases of this kind are legion. Welton v. Missouri, 91 U.S. 275 (1876); Guy v. Baltimore, 100 U.S. 434 (1880); Toomer v. Witsell, 334 U.S. 385 (1948); Polar Ice Cream & Creamery Co. v. Andrews, 375 U.S. 361 (1964); Chemical Waste Management, Inc. v. Hunt, 504 U. S. ___ (1992); see also, Hunt v. Washington State Apple Advertising Comm'n, 432 U.S. 333, 351(1977) (invalidating statute, because it "has the effectof stripping away from the Washington apple industry the competitive and economic advantages it has earned . . .").

Under these cases, Massachusetts' pricing order is clearly unconstitutional. Its avowed purpose and its undisputed effect are to enable higher cost Massachusetts dairy farmers to compete with lower cost dairy farmers in other States. The "premium payments" are effectively a tax which makes milk produced out of State more expensive. Although the tax also applies to milk produced in Massachusetts, its effect on Massachusetts producers is entirely (indeed more than) offset by the subsidy provided exclusively to Massachusetts dairy farmers. Like an ordinary tariff, the tax is thus effectively imposed only on out of state products. The pricing order thus allows Massachusetts dairy farmers who produce at higher cost to sell at or below the price charged by lower cost out of state producers. [n.10] If therewere no federal minimum prices for milk, out of state producers might still be able to retain their market share by lowering their prices. Nevertheless, out of staters' ability to remain competitive by lowering their prices would not immunize a discriminatory measure. New Energy Co. of Indiana v. Limbach, 486 U. S., at 275. [n.11] In this case, because the Federal Government sets minimum prices, out of state producers may not even have the option of reducing prices in order to retain market share. The Massachusetts pricing order thus will almost certainly "cause local goods to constitute a larger share, and goods with an out of state source to constitute a smaller share, of the total sales in the market." [n.12] Exxon Corp. v. Governor of Maryland,437 U.S. 117, 126, n. 16 (1978). In fact, this effect was the motive behind the promulgation of the pricing order. This effect renders the program unconstitutional, because it, like a tariff, "neutralize[s] advantages belonging to the place of origin." Baldwin, 294 U. S., at 527.

In some ways, the Massachusetts pricing order is most similar to the law at issue in Bacchus Imports, Ltd. v. Dias, 468 U.S. 263 (1984). Both involve a broad based tax on a single kind of good and special provisions for in state producers. Bacchus involved a 20% excise tax on all liquor sales, coupled with an exemption for fruit wine manufactured in Hawaii and for okolehao, a brandy distilled from the root of a shrub indigenous to Hawaii. The Court held that Hawaii's law was unconstitutional because it "had both the purpose and effect of discriminating in favor of local products." Id., at 273. See also I. M. Darnell & Son Co. v. Memphis, 208 U.S. 113 (1908) (invalidating property tax exemption favoring local manufacturers). By granting a tax exemption for local products, Hawaii in effect created a protective tariff. Goods produced out of State were taxed, but those produced in State were subject to no net tax. It is obvious that the result in Bacchus would have been the same if instead of exempting certain Hawaiian liquors from tax, Hawaii had rebated the amount of tax collected from the sale of those liquors. See New EnergyCo. of Indiana v. Limbach, 486 U.S. 269 (1988) (discriminatory tax credit). And if a discriminatory tax rebate is unconstitutional, Massachusetts' pricing order is surely invalid; for Massachusetts not only rebates to domestic milk producers the tax paid on the sale of Massachusetts milk, but also the tax paid on the sale of milk produced elsewhere. [n.13] The additional rebate of the tax paid on the sale of milk produced elsewhere in no way reduces the danger to the national market posed by tariff like barriers, but instead exacerbates the danger by giving domestic producers an additional tool with which to shore up their competitive position. [n.14]

Respondent advances four arguments against the conclusion that its pricing order imposes an unconstitutional burden on interstate commerce: (A) Because each component of the program--a local subsidy and a non discriminatory tax--is valid, the combination of the two is equally valid; (B) The dealers who pay the order premiums (the tax) are not competitors of the farmers who receive disbursements from the Dairy Equalization Fund, so the pricing order is not discriminatory; (C) Thepricing order is not protectionist, because the costs of the program are borne only by Massachusetts dealers and consumers, and the benefits are distributed exclusively to Massachusetts farmers; and (D) the order's incidental burden on commerce is justified by the local benefit of saving the dairy industry from collapse. We discuss each of these arguments in turn.

Respondent's principal argument is that, because "the milk order achieves its goals through lawful means," the order as a whole is constitutional. Brief for Respondent 20. He argues that the payments to Massachusetts dairy farmers from the Dairy Equalization Fund are valid, because subsidies are constitutional exercises of state power, and that the order premium which provides money for the Fund is valid, because it is a nondiscriminatory tax. Therefore the pricing order is constitutional, because it is merely the combination of two independently lawful regulations. In effect, respondent argues, if the State may impose a valid tax on dealers, it is free to use the proceeds of the tax as it chooses; and if it may independently subsidize its farmers, it is free to finance the subsidy by means of any legitimate tax.

Even granting respondent's assertion that both components of the pricing order would be constitutional standing alone, [n.15] the pricing order nevertheless mustfall. A pure subsidy funded out of general revenue ordinarily imposes no burden on interstate commerce, but merely assists local business. The pricing order in this case, however, is funded principally from taxes on the sale of milk produced in other States. [n.16] By so funding the subsidy, respondent not only assists local farmers, but burdens interstate commerce. The pricing order thus violates the cardinal principle that a State may not "benefit in state economic interests by burdening out of state competitors." New Energy Co. of Indiana v. Limbach, 486 U. S., at 273-274; see also Bacchus Imports, Ltd. v. Dias, 468 U. S., at 272; Guy v. Baltimore, 100 U.S. 434, 443 (1880).

More fundamentally, respondent errs in assuming that the constitutionality of the pricing order follows logically from the constitutionality of its component parts. By conjoining a tax and a subsidy, Massachusetts has created a program more dangerous to interstate commerce than either part alone. Nondiscriminatory measures, like the evenhanded tax at issue here, are generally upheld, in spite of any adverse effects on interstate commerce, in part because "[t]he existence of major in state interests adversely affected . . . is a powerful safeguard against legislative abuse." Minnesota v. Clover Leaf Creamery Co., 449 U.S. 456, 473, n. 17 (1981); see also Raymond Motor Transportation, Inc. v. Rice, 434 U.S. 429, 444, n. 18 (1978) (special deference to state highway regulations because "their burdenusually falls on local economic interests as well as other States' economic interests, thus insuring that a State's own political processes will serve as a check against unduly burdensome regulations"); South Carolina State Highway Dept. v. Barnwell Bros., Inc., 303 U.S. 177, 187 (1938); Goldberg v. Sweet, 488 U.S. 252, 266 (1989). [n.17] However, when a nondiscriminatory tax is coupled with a subsidy to one of the groups hurt by the tax, a state's political processes can no longer be relied upon to prevent legislative abuse, because one of the in state interests which would otherwise lobby against the tax has been mollified by the subsidy. So, in this case, one would ordinarily have expected at least three groups to lobby against the order premium, which, as a tax, raises the price (and hence lowers demand) for milk: dairy farmers, milk dealers, and consumers. But because the tax was coupled with a subsidy, one of the most powerful of these groups, Massachusetts dairy farmers, instead of exerting their influence against the tax, were in fact its primary supporters. [n.18]

Respondent's argument would require us to analyze separately two parts of an integrated regulation, but we cannot divorce the premium payments from the use to which the payments are put. It is the entire program--not just the contributions to the fund or the distributions from that fund--that simultaneously burdens interstate commerce and discriminates in favor of local producers. The choice of constitutional means--nondiscriminatory tax and local subsidy--cannot guarantee the constitutionality of the program as a whole. New York's minimum price order also used constitutional means--a State's power to regulate prices--but was held unconstitutional because of its deleterious effects. Baldwin v. G. A. F. Seelig, Inc., 294 U.S. 511 (1935). Similarly, the law held unconstitutional in Bacchus, 468 U.S. 263 (1984), involved the exercise of Hawaii's undisputed power to tax and to grant tax exemptions.

Our Commerce Clause jurisprudence is not so rigid as to be controlled by the form by which a State erects barriers to commerce. Rather our cases have eschewed formalism for a sensitive, case by case analysis of purposes and effects. As the Court declared over 50 years ago: "The commerce clause forbids discrimination, whether forthright or ingenious. In each case it is our duty to determine whether the statute under attack, whatever its name may be, will in its practical operation work discrimination against interstate commerce." Best & Co. v. Maxwell, 311 U.S. 454, 455-456 (1940); Maryland v. Louisiana, 451 U.S. 725, 756 (1981); Exxon Corp. v. Governor of Maryland, 437 U. S., at 147 (1978); see also Guy v. Baltimore, 100 U.S. 430, 443 (1879) (invalidating discriminatory wharfage fees which were "mere expedient or device to accomplish, by indirection, what the State could not accomplish by a direct tax, viz., build up its domestic commerce by means of unequal and oppressive burdens upon the industry andbusiness of other States"); Baldwin v. G. A. F. Seelig, Inc., 294 U. S., at 527 ("What is ultimate is the principle that one state in its dealings with another may not put itself in a position of economic isolation. Formulas and catchwords are subordinate to this overmastering requirement"); Dean Milk Co. v. Madison, 340 U.S. 349, 354 (1951); New Energy Co. of Indiana v. Limbach, 486 U. S., at 275, 276 (invalidating reciprocal tax credit because it, "in effect, tax[es] a product made by [Indiana] manufacturers at a rate higher than the same product made by Ohio manufacturers . . .").

Respondent also argues that since the Massachusetts milk dealers who pay the order premiums are not competitors of the Massachusetts farmers, the pricing order imposes no discriminatory burden on commerce. Brief for Respondent 28-29. This argument cannot withstand scrutiny. Is it possible to doubt that if Massachusetts imposed a higher sales tax on milk produced in Maine than milk produced in Massachusetts that the tax would be struck down, in spite of the fact that the sales tax was imposed on consumers, and consumers do not compete with dairy farmers? For over 150 years, our cases have rightly concluded that the imposition of a differential burden on any part of the stream of commerce--from wholesaler to retailer to consumer--is invalid, because a burden placed at any point will result in a disadvantage to the out of state producer. Brown v. Maryland, 12 Wheat. 419, 444, 448 (1827) ("So, a tax on the occupation of the importer is, in like manner, a tax on importation. It must add to the price of the article, and be paid by the consumer, or by the importer himself, in like manner as a direct duty on the article itself would be made." "The distinction between a tax on the thing imported, and on the person of the importer, can have no influence on this part ofthe subject. It is too obvious for controversy that they interfere equally with the power to regulate commerce"); I. M. Darnell & Son Co. v. City of Memphis, 208 U.S. 113 (1908) (differential burden on intermediate stage manufacturer); Bacchus Imports, Ltd. v. Dias, 468 U.S. 263 (1984) (differential burden on wholesaler); Webber v. Virginia, 103 U.S. 344, 350 (1881) (differential burden on sales agent); New Energy Co. of Indiana v. Limbach, 486 U. S., at 273-274 (differential burden on retailer).

Respondent also argues that "the operation of the Order disproves any claim of protectionism," because %only in state consumers feel the effect of any retail price increase . . . [and] [t]he dealers themselves . . . have a substantial in state presence." Brief for Respondent 17 (emphasis in original). This argument, if accepted, would undermine almost every discriminatory tax case. State taxes are ordinarily paid by in state businesses and consumers, yet if they discriminate against out of state products, they are unconstitutional. The idea that a discriminatory tax does not interfere with interstate commerce "merely because the burden of the tax was borne by consumers" in the taxing State was thoroughly repudiated in Bacchus Imports, Ltd. v. Dias, 468 U. S., at 272. The cost of a tariff is also borne primarily by local consumers, yet a tariff is the paradigmatic Commerce Clause violation.

More fundamentally, respondent ignores the fact that Massachusetts dairy farmers are part of an integrated interstate market. As noted above, supra, at 8-10, the purpose and effect of the pricing order are to divert market share to Massachusetts dairy farmers. This diversion necessarily injures the dairy farmers in neighboring States. Furthermore, the Massachusetts order regulates a portion of the same interstate market in milk that is more broadly regulated by a federal milkmarketing order which covers most of New England. 7 CFR § 1001.2 (1993). The Massachusetts producers who deliver milk to dealers in that regulated market are participants in the same interstate milk market as the out of state producers who sell in the same market and are guaranteed the same minimum blend price by the federal order. The fact that the Massachusetts order imposes assessments only on Massachusetts sales and distributes them only to Massachusetts producers does not exclude either the assessments or the payments from the interstate market. To the extent that those assessments affect the relative volume of Class I milk products sold in the marketing area as compared to other classes of milk products, they necessarily affect the blend price payable even to out of state producers who sell only in non Massachusetts markets. [n.19] The obvious impact of the order on out of state production demonstrates that it is simply wrong to assume that the pricing order burdens only Massachusetts consumers and dealers.

Finally, respondent argues that any incidental burden on interstate commerce "is outweighed by the `local benefits' of preserving the Massachusetts dairy industry." [n.20] Brief for Respondent 42. In a closely relatedargument, respondent urges that "the purpose of the order, to save an industry from collapse, is not protectionist." Brief for Respondent 16. If we were to accept these arguments, we would make a virtue of the vice that the rule against discrimination condemns. Preservation of local industry by protecting it from the rigors of interstate competition is the hallmark of the economic protectionism that the Commerce Clause prohibits. In Bacchus Imports, Ltd. v. Dias, 468 U. S., at 272, we explicitly rejected any distinction "between thriving and struggling enterprises." Whether a State is attempting to "enhance thriving and substantial business enterprises" or to "subsidize . . . financially troubled" ones is irrelevant to Commerce Clause analysis. Ibid. With his characteristic eloquence, Justice Cardozo responded to an argument that respondent echoes today:

"The argument is pressed upon us, however, that the end to be served by the Milk Control Act is something more than the economic welfare of the farmers or of any other class or classes. The end tobe served is the maintenance of a regular and adequate supply of pure and wholesome milk, the supply being put in jeopardy when the farmers of the state are unable to earn a living income. Nebbia v. New York, supra. . . . Let such an exception be admitted, and all that a state will have to do in times of stress and strain is to say that its farmers and merchants and workmen must be protected against competition from without, lest they go upon the poor relief lists or perish altogether. To give entrance to that excuse would be to invite a speedy end of our national solidarity. The Constitution was framed under the dominion of a political philosophy less parochial in range. It was framed upon the theory that the peoples of the several states must sink or swim together, and that in the long run prosperity and salvation are in union and not division". Baldwin v. G. A. F. Seelig, 294 U. S., at 522-523. [n.21]

In a later case, also involving the welfare of Massachusetts dairy farmers, [n.22] Justice Jackson described thesame overriding interest in the free flow of commerce across state lines:

"Our system, fostered by the Commerce Clause, is that every farmer and every craftsman shall be encouraged to produce by the certainty that he will have free access to every market in the Nation, that no home embargoes will withhold his exports, and no foreign state will by customs duties or regulations exclude them. Likewise, every consumer may look to the free competition from every producing area in the Nation to protect him from exploitation by any. Such was the vision of the Founders; such has been the doctrine of this Court which has given it reality." H. P. Hood & Sons, Inc. v. Du Mond, 336 U.S. 525, 539 (1949).

The judgment of the Supreme Judicial Court of Massachusetts is reversed.

It is so ordered.


1 The minimum price is a "blend price" that is determined, in part, by the ultimate use of the raw milk. See 7 CFR § 1001.1 et seq. (1993). Raw milk used to produce fluid milk products has the highest price and is characterized in the federal order as "Class I" milk. Milk used for other products, such as eggnog, sour cream, and hard cheese, bears a lower price and is characterized as "Class II" and "Class III" milk. Each dealer is required to file a monthly report of its raw milk purchases and the use to which that milk is put. In computing the monthly blend price, the Federal Market Administrator calculates the weighted average price of the various classes of milk. If Class I milk predominates in the dealer reports, the blend price is high; if other classes predominate, the blend price is lower. Although all of the farmers are paid the same minimum blend price regardless of the use to which their milk is put, dealers who sell more than an average amount of Class I products pay a higher per unit price than those with relatively lower Class I sales. The federal marketing order thus provides a uniform blend price for sellers of raw milk while imposing nonuniform payment obligations on the dealers purchasing that milk. The federal order does not prohibit the payment of prices higher than the established minima. Like the federal order, the Massachusetts order requires dealers to make payments into a fund that is disbursed to farmers on a monthly basis. The assessments, however, are only on Class I sales and the distributions are only to Massachusetts farmers.

2 For an explanation of the term "blend price," see the previous footnote.

3 The order was first issued on February 18, 1992, and amended on February 26, 1992. App. 32-40; Brief for Respondent 4-5. Only the amended order is at issue in this case.

4 A "dealer" is defined as "any person who is engaged within the Commonwealth in the business of receiving, purchasing, pasteurizing, bottling, processing, distributing, or otherwise handling milk, purchases or receives milk for sale as the consignee or agent of a producer, and shall include a producer dealer, dealer retailer, and sub dealer." App. 33.

5 App. 35-36; West Lynn Creamery, Inc. v. Commissioner of Dept. of Food and Agriculture, 415 Mass. 8, 11, n. 10, 611 N. E. 2d 239, 241, n. 10 (1993). The Commissioner appears to have set the order premium at only a third of the difference between the federal price and $15 because Massachusetts farmers produce only about one third of the milk sold as fluid milk in the State. App. 21. Since Massachusetts dairy farmers produce one third of the milk, an assessment of one third the difference between $15 and the federal minimum price generates enough revenue to give Massachusetts dairy farmers the entire difference between $15 and the federal minimum price without leaving any surplus. By paying Massachusetts dairy farmers the entire difference between $15 and the federal minimum price, the order premium allows Massachusetts farmers whose cost of production is $15/cwt to sell their milk without loss at the federal minimum price.

6 For an explanation of the term "Class I," see n. 1, supra.

7 A "producer" is defined as "any person producing milk from dairy cattle." App. 33.

8 The disbursement is subject to two qualifications. First, any farmer who produced more than 200,000 pounds of milk is considered to have produced only 200,000 pounds. Second, no producer may receive payments that make its net price per cwt (including both the federal minimum price and payments from the Equalization Fund) higher than $15/cwt. If these limitations lead to a surplus in the Dairy Equalization Fund, the surplus is returned to the dealers. Id., at 36-38.

9 The "negative" aspect of the Commerce Clause was considered the more important by the "father of the Constitution," James Madison. In one of his letters, Madison wrote that the Commerce Clause "grew out of the abuse of the power by the importing States in taxing the non importing, and was intended as a negative and preventive provision against injustice among the States themselves, rather than as a power to be used for the positive purposes of the General Government." 3 M. Farrand, Records of the Federal Convention of 1787, p. 478 (1911).

10 A numerical example may make this effect clearer. Suppose the federal minimum price is $12/cwt, that out of state producers can sell milk profitably at that price, but that in state producers need a price of $15/cwt in order to break even. Under the pricing order, the tax or "order premium" will be $1/cwt (one third the difference between the $15/cwt target price and the $12/cwt federal minimum price). Assuming the tax generates sufficient funds (which will be the case as long as two thirds of milk is produced out of State, which appears to be the case), the Massachusetts farmers will receive a subsidy of $3/cwt. This subsidy will allow them to lower their prices from $15/cwt to $12/cwt while still breaking even. Selling at $12/cwt, Massachusetts dairy farmers will now be able to compete with out of state producers. The net effect of the tax and subsidy, like that of a tariff, is to raise the after tax price paid by the dealers. If exactly two thirds of the milk sold in Massachusetts is produced out of State, net prices will rise by $1/cwt. If out of state farmers produce more than two thirds of the raw milk, the Dairy Equalization Fund will have a surplus, which will be refunded to the milk dealers. This refund will mitigate the price increase, although it will have no effect on the ability of the program to enable higher costMassachusetts dairy farmers to compete with lower cost out of staters.

11 In New Energy, 486 U. S., at 275, we noted: "It is true that in Cotrell and Sporhase the effect of a State's refusal to accept the offered reciprocity was total elimination of all transport of the subject product into or out of the offering State; whereas in the present case the only effect of refusal is that the out of state product is placed at a substantial commercial disadvantage through discriminatory tax treatment. That makes no difference for purposes of Commerce Clause analysis. In the leading case of Baldwin v. G. A. F. Seelig, Inc., 294 U.S. 511 (1935), the New York law excluding out of state milk did not impose an absolute ban, but rather allowed importation and sale so long as the initial purchase from the dairy farmer was made at or above the New York State mandated price. In other words, just as the appellant here, in order to sell its product in Ohio, only has to cut its profits by reducing its sales price below the market price sufficiently to compensate the Ohio purchaser retailer for the forgone tax credit, so also the milk wholesaler distributor in Baldwin, in order to sell its product in New York, only had to cut its profits by increasing its purchase price above the market price sufficiently to meet the New York prescribed premium. We viewed the New York Law as `an economic barrier against competition' that was `equivalent to a rampart of customs duties.' Id., at 527."

12 That is not to say that the Massachusetts dairy industry may not continue to shrink and that the market share of Massachusetts dairy producers may not continue its fall. It may be the case that Massachusetts producers' costs are so high that, even with the pricing order, manyof them will be unable to compete. Nevertheless, the pricing order will certainly allow more Massachusetts dairy farmers to remain in business than would have had the pricing order not been imposed. For Commerce Clause purposes, it does not matter whether the challenged regulation actually increases the market share of local producers or whether it merely mitigates a projected decline. See Bacchus Imports, Ltd. v. Dias, 468 U.S. 263, 272 (1984) ("[W]e perceive no principle of Commerce Clause jurisprudence supporting a distinction between thriving and struggling enterprises . . ."); Baldwin v. G. A. F. Seelig, Inc., 294 U. S., at 523.

13 Indeed, it is this aspect of the pricing order which allows it to give Massachusetts farmers a benefit three times as valuable per cwt as the tax (order premium) imposed. See n. 5, supra.

14 One might attempt to distinguish Bacchus by noting that the rebate in this case goes not to the entity which pays the tax (milk dealers) but to the dairy farmers themselves. Rebating the taxes directly to producers rather than to the dealers, however, merely reinforces the conclusion that the pricing order will favor local producers. If the taxes were refunded only to the dealers, there might be no impact on interstate commerce, because the dealers might not use the funds to increase the price or quantity of milk purchased from Massachusetts dairy farmers. The refund to the dealers might, therefore, result in no advantage to in state producers. On the other hand, by refunding monies directly to the dairy farmers, the pricing order ensures that Massachusetts producers will benefit.

15 We have never squarely confronted the constitutionality of subsidies, and we need not do so now. We have, however, noted that "[d]irect subsidization of domestic industry does not ordinarily run afoul" of the negative Commerce Clause. New Energy Co. of Indiana v. Limbach, 486 U. S., at 278; see also Hughes v. Alexandria Scrap Corp., 426 U.S. 794, 815 (1976) (Stevens, J., concurring). In addition, it is undisputed that States may try to attract business by creating an environment conducive to economic activity, as by maintaining good roads, sound public education, or low taxes. Zobel v. Williams, 457 U.S. 55, 67 (1982) (Brennan, J., concurring); Bacchus Imports, Ltd. v. Dias, 468 U. S., at271; Metropolitan Life Ins. Co. v. Ward, 470 U.S. 869, 876-878 (1985).

16 It is undisputed that an overwhelming majority of the milk sold in Massachusetts is produced elsewhere. Thus, even though the tax is applied even handedly to milk produced in State and out of State, most of the tax collected comes from taxes on milk from other States. In addition, the tax on in state milk, unlike that imposed on out of state milk, does not impose any burden on in state producers, because in state dairy farmers can be confident that the taxes paid on their milk will be returned to them via the Dairy Stabilization Fund.

17 The same principle is recognized in the conceptually similar field of intergovernmental taxation, where nondiscrimination also plays a central role in setting the boundary between the permissible and the impermissible. Washington v. United States, 460 U.S. 536, 545 (1983) ("A `political check' is provided when a state tax falls on a significant group of state citizens who can be counted upon to use their votes to keep the State from raising the tax excessively, and thus placing an unfair burden on the Federal Government"); South Carolina v. Baker, 485 U.S. 505, 525-526, n. 13 (1988); United States v. County of Fresno, 429 U.S. 452, 462-464 (1977).

18 As the Governor's Special Commission Relative to the Establishment of a Dairy Stabilization Fund realized, consumers would be unlikely to organize effectively to oppose the pricing order. The Commission's report remarked, "the estimated two cent increase per quart of milk would not be noticed by the consuming public," App. 18, because the price of milk varies so often and for so many reasons that consumers would be unlikely to feel the price increases or to attribute them to the pricing order.

19 On the way changing the demand for Class I milk products changes the blend price for producers in the entire area covered by the marketing order, see n. 1, supra.

20 Among the "local benefits" that respondent identifies is "protecting unique open space and related benefits." Brief for Respondent 40. As the Massachusetts Supreme Judicial Court recognized by relegating the "open space" point to a single footnote, West Lynn Creamery, Inc. v. Commissioner of Dept. of Food and Agriculture, 415 Mass. 8, 10, n. 6, 611 N. E. 2d 239, 240 n. 6 (1993), the argument that environmental benefits were central and the enhancement of the market share of Massachusetts dairy farmers merely "incidental" turns the pricing order on its head. In addition, even if environmental preservation were the central purpose of the pricing order, that would not be sufficient to uphold a discriminatory regulation. See Philadelphia v. New Jersey, 437 U.S. 617, 626-627 (1978). Finally, the suggestion that the collapse of the dairy industry endangers open space is not self evident. Dairy farms are enclosed by fences, and the decline of farming may well lead to less rather than more intensive land use. As one scholar noted: "Many people assume that . . . land lost from agriculture is now in urban uses. It is true that some agricultural land has been urbanized, especially since World War II, but the major portion of the land moving out of agriculture over the years has been abandoned to natural forest growth." J. Foster & W. MacConnell, Agricultural Land Use Change in Massachusetts 1951-1971, p. 5 (Research Bulletin No. 640, Jan. 1977); see also Department of Agriculture, A. Daugherty, Major Uses of Land in the United States: 1987, pp. 4, 13 (Agricultural Economic Rep. No. 643, 1991) (decline in grazing and pasture land offset by increased wilderness, wildlife, and park areas).

21 "This distinction between the power of the State to shelter its people from menaces to their health or safety and from fraud, even when those dangers emanate from interstate commerce, and its lack of power to retard, burden or constrict the flow of such commerce for their economic advantage, is one deeply rooted in both our history and our law." H. P. Hood & Sons, Inc. v. Du Mond, 336 U.S. 525, 533 (1949); See also Bacchus Imports, Ltd. v. Dias, 468 U. S., at 272-273.

22 A surprisingly large number of our Commerce Clause cases arose out of attempts to protect local dairy farmers. Schollenberger v. Pennsylvania, 171 U.S. 1 (1898); Baldwin v. G. A. F. Seelig, Inc., 294 U.S. 511 (1935); Hood & Sons, Inc. v. Du Mond, 336 U. S., at 539; Dean Milk Co. v. Madison, 340 U.S. 349, 354 (1951); Polar Ice Cream & Creamery Co. v. Andrews, 375 U.S. 361 (1964); Great Atlantic & Pacific Tea Co. v. Cottrell, 424 U.S. 366 (1976). The reasons for the political effectiveness of milk producers are explored in G. Miller, The Industrial Organization of Political Production: A Case Study, 149 J. Institutional & Theoretical Economics 769 (1993).