[522]*522Mr. Justice Stevens
announced the judgment of the Court and delivered an opinion, in which Mr. Justice White and Mr. Justice Rehnquist joined.
The question presented is whether the National Labor Relations Act, as amended, implicitly prohibits the State of New York from paying unemployment compensation to strikers.
Communication Workers of America, AFL-CIO (CWA), represents about 70% of the nonmanagement employees of companies affiliated with the Bell Telephone Co. In June 1971, when contract negotiations had reached an impasse, CWA recommended a nationwide strike. The strike commenced on July 14, 1971, and, for most workers, lasted only a week. In New York, however, the 38,000 CWA members employed by petitioners remained on strike for seven months.1
[523]*523New York’s unemployment insurance law normally authorizes the payment of benefits after approximately one week of unemployment.2 If a claimant’s loss of employment is caused by “a strike, lockout, or other industrial controversy in the establishment in which he was employed,” § 592 (1) of the law suspends the payment of benefits for an additional 7-week period.3 In 1971, the maximum weekly benefit of $75 was payable to an employee whose base salary was at least $149 per week.
After the 8-week waiting period, petitioners’ striking employees began to collect unemployment compensation. During the ensuing five months more than $49 million in ben-fits were paid to about 33,000 striking employees at an average rate of somewhat less than $75 per week. Because New York’s unemployment insurance system is financed primarily by employer contributions based on the benefits paid [524]*524to former employees of each employer in past years, a substantial part of the cost of these benefits was ultimately imposed on petitioners.4
[525]*525Petitioners brought suit in the United States District Court for the Southern District of New York against the state officials responsible for the administration of the unemployment compensation fund. They sought a declaration that the New York statute authorizing the payment of benefits to strikers conflicts with federal law and is therefore invalid, an injunction against the enforcement of § 592 (1), and an award recouping the increased taxes paid in consequence of the disbursement of funds to their striking employees. After an 8-day trial, the District Court granted the requested relief. 434 P. Supp. 810 (1977).
The District Court concluded that the availability of unemployment compensation is a substantial factor in the worker’s [526]*526decision to remain on strike, and that in this case, as in others, it had a measurable impact on the progress of the strike.5 The court held that the payment of such compensation by the State conflicted “with the policy of free collective bargaining established in the federal labor laws and is therefore invalid under the supremacy clause of the United States Constitution.” 6 Id., at 819.
The Court of Appeals for the Second Circuit reversed. It did not, however, question the District Court’s finding that the New York statute “alters the balance in the collective bargaining relationship and therefore conflicts with the federal labor policy favoring the free play of economic forces in the collective bargaining process.” 566 P. 2d 388, 390. The Court of Appeals noted that Congress has not expressly forbidden state unemployment compensation for strikers; the court inferred from the legislative history of the National [527]*527Labor Relations Act,7 and Title IX of the Social Security Act,8 as well as from later developments, that the omission was deliberate. Accordingly, without questioning the premise that federal law generally requires that “State statutes which touch or concern labor relations should be neutral,” the Court of Appeals concluded that “th[is] conflict is one which Congress has decided to tolerate.” Id., at 395.
The importance of the question led us to grant certiorari. 435 U. S. 941. We now affirm. Our decision is ultimately governed by our understanding of the intent of the Congress that enacted the National Labor Relations Act on July 5, 1935, and the Social Security Act on August 14 of the same year. Before discussing the relevant history of these statutes, however, we briefly summarize (1) the lines of pre-emption analysis that have limited the exercise of state power to regulate private conduct in the labor-management area and (2) the implications of our prior cases, both inside and outside the labor area, involving the distribution of public benefits to persons unemployed by reason of a labor dispute.
I
The doctrine of labor law pre-emption concerns the extent to which Congress has placed implicit limits on “the permissible scope of state regulation of activity touching upon labor-management relations.” Sears, Roebuck & Co. v. Carpenters, 436 U. S. 180, 187. Although this case involves the exploration of those limits in a somewhat novel setting, it soon becomes apparent that much of that doctrine is of limited relevance in the present context.
There is general agreement on the proposition that the “animating force” behind the doctrine is a recognition that the purposes of the federal statute would be defeated if state [528]*528and federal courts were free, without limitation, to exercise jurisdiction over activities that are subject to regulation by the National Labor Relations Board. Id., at 218 (Brennan, J., dissenting) .9 The overriding interest in a uniform, nationwide interpretation of the federal statute by the centralized expert agency created by Congress not only demands that the NLRB’s primary jurisdiction be protected, it also forecloses overlapping state enforcement of the prohibitions in § 8 of the Act,10 Plankinton Packing Co. v. Wisconsin Employment Relations Board, 338 U. S. 953, as well as state interference with the exercise of rights protected by § 7 of the Act.11 Automobile Workers v. Russell, 356 U. S. 634, 644.12 Con[529]*529sequently, almost all of the Court’s labor law decisions in which state regulatory schemes have been found to be preempted have involved state efforts to regulate or to prohibit private conduct that was either protected by § 7, prohibited by § 8,13 or at least arguably so protected or prohibited.14
In contrast to those decisions, there is no claim in this case that New York has sought to regulate or prohibit any conduct subject to the regulatory jurisdiction of the Labor Board under § 8.15 Nor are the petitioning employers pursuing any claim of interference with employee rights protected by § 7. The State simply authorized striking employees to receive unemployment benefits, and assessed a tax against the struck employers to pay for some of those benefits, once the economic warfare between the two groups reached its ninth week.
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[522]*522Mr. Justice Stevens
announced the judgment of the Court and delivered an opinion, in which Mr. Justice White and Mr. Justice Rehnquist joined.
The question presented is whether the National Labor Relations Act, as amended, implicitly prohibits the State of New York from paying unemployment compensation to strikers.
Communication Workers of America, AFL-CIO (CWA), represents about 70% of the nonmanagement employees of companies affiliated with the Bell Telephone Co. In June 1971, when contract negotiations had reached an impasse, CWA recommended a nationwide strike. The strike commenced on July 14, 1971, and, for most workers, lasted only a week. In New York, however, the 38,000 CWA members employed by petitioners remained on strike for seven months.1
[523]*523New York’s unemployment insurance law normally authorizes the payment of benefits after approximately one week of unemployment.2 If a claimant’s loss of employment is caused by “a strike, lockout, or other industrial controversy in the establishment in which he was employed,” § 592 (1) of the law suspends the payment of benefits for an additional 7-week period.3 In 1971, the maximum weekly benefit of $75 was payable to an employee whose base salary was at least $149 per week.
After the 8-week waiting period, petitioners’ striking employees began to collect unemployment compensation. During the ensuing five months more than $49 million in ben-fits were paid to about 33,000 striking employees at an average rate of somewhat less than $75 per week. Because New York’s unemployment insurance system is financed primarily by employer contributions based on the benefits paid [524]*524to former employees of each employer in past years, a substantial part of the cost of these benefits was ultimately imposed on petitioners.4
[525]*525Petitioners brought suit in the United States District Court for the Southern District of New York against the state officials responsible for the administration of the unemployment compensation fund. They sought a declaration that the New York statute authorizing the payment of benefits to strikers conflicts with federal law and is therefore invalid, an injunction against the enforcement of § 592 (1), and an award recouping the increased taxes paid in consequence of the disbursement of funds to their striking employees. After an 8-day trial, the District Court granted the requested relief. 434 P. Supp. 810 (1977).
The District Court concluded that the availability of unemployment compensation is a substantial factor in the worker’s [526]*526decision to remain on strike, and that in this case, as in others, it had a measurable impact on the progress of the strike.5 The court held that the payment of such compensation by the State conflicted “with the policy of free collective bargaining established in the federal labor laws and is therefore invalid under the supremacy clause of the United States Constitution.” 6 Id., at 819.
The Court of Appeals for the Second Circuit reversed. It did not, however, question the District Court’s finding that the New York statute “alters the balance in the collective bargaining relationship and therefore conflicts with the federal labor policy favoring the free play of economic forces in the collective bargaining process.” 566 P. 2d 388, 390. The Court of Appeals noted that Congress has not expressly forbidden state unemployment compensation for strikers; the court inferred from the legislative history of the National [527]*527Labor Relations Act,7 and Title IX of the Social Security Act,8 as well as from later developments, that the omission was deliberate. Accordingly, without questioning the premise that federal law generally requires that “State statutes which touch or concern labor relations should be neutral,” the Court of Appeals concluded that “th[is] conflict is one which Congress has decided to tolerate.” Id., at 395.
The importance of the question led us to grant certiorari. 435 U. S. 941. We now affirm. Our decision is ultimately governed by our understanding of the intent of the Congress that enacted the National Labor Relations Act on July 5, 1935, and the Social Security Act on August 14 of the same year. Before discussing the relevant history of these statutes, however, we briefly summarize (1) the lines of pre-emption analysis that have limited the exercise of state power to regulate private conduct in the labor-management area and (2) the implications of our prior cases, both inside and outside the labor area, involving the distribution of public benefits to persons unemployed by reason of a labor dispute.
I
The doctrine of labor law pre-emption concerns the extent to which Congress has placed implicit limits on “the permissible scope of state regulation of activity touching upon labor-management relations.” Sears, Roebuck & Co. v. Carpenters, 436 U. S. 180, 187. Although this case involves the exploration of those limits in a somewhat novel setting, it soon becomes apparent that much of that doctrine is of limited relevance in the present context.
There is general agreement on the proposition that the “animating force” behind the doctrine is a recognition that the purposes of the federal statute would be defeated if state [528]*528and federal courts were free, without limitation, to exercise jurisdiction over activities that are subject to regulation by the National Labor Relations Board. Id., at 218 (Brennan, J., dissenting) .9 The overriding interest in a uniform, nationwide interpretation of the federal statute by the centralized expert agency created by Congress not only demands that the NLRB’s primary jurisdiction be protected, it also forecloses overlapping state enforcement of the prohibitions in § 8 of the Act,10 Plankinton Packing Co. v. Wisconsin Employment Relations Board, 338 U. S. 953, as well as state interference with the exercise of rights protected by § 7 of the Act.11 Automobile Workers v. Russell, 356 U. S. 634, 644.12 Con[529]*529sequently, almost all of the Court’s labor law decisions in which state regulatory schemes have been found to be preempted have involved state efforts to regulate or to prohibit private conduct that was either protected by § 7, prohibited by § 8,13 or at least arguably so protected or prohibited.14
In contrast to those decisions, there is no claim in this case that New York has sought to regulate or prohibit any conduct subject to the regulatory jurisdiction of the Labor Board under § 8.15 Nor are the petitioning employers pursuing any claim of interference with employee rights protected by § 7. The State simply authorized striking employees to receive unemployment benefits, and assessed a tax against the struck employers to pay for some of those benefits, once the economic warfare between the two groups reached its ninth week. Accordingly, beyond identifying the interest in national uniformity underlying the doctrine, the cases compris[530]*530ing the main body of labor pre-emption law are of little relevance in deciding this case.
There is, however, a pair of decisions in which the Court has held that Congress intended to forbid state regulation of economic warfare between labor and management, even though it was clear that none of the regulated conduct on either side was covered by the federal statute.16 In Teamsters v. Morton, 377 U. S. 252, the Court held that an Ohio court could not award damages against a union for peaceful secondary picketing even though the union's conduct was neither protected by § 7 nor prohibited by § 8. Because Congress had focused upon this type of conduct and elected not to proscribe it when § 303 of the Labor Management Relations Act17 was enacted, the Court inferred a deliberate legislative intent to preserve this means of economic warfare for use during the bargaining process.18
[531]*531More recently, in Machinists v. Wisconsin Employment Relations Comm’n, 427 U. S. 132, the Court held that the state Commission could not prohibit a union’s concerted refusal to work overtime. Although this type of partial strike activity had not been the subject of special congressional consideration, as had the secondary picketing involved in Morton, the Court nevertheless concluded that it was a form of economic self-help that was “ 'part and parcel of the process of collective bargaining,’ ” 427 U. S., at 149 (quoting NLRB v. Insurance Agents, 361 U. S. 477, 495), that Congress implicitly intended to be governed only by the free play of economic forces. The Court identified the crucial inquiry in its pre-emption analysis in Machinists as whether the exercise of state authority to curtail or entirely prohibit self-help would frustrate effective implementation of the policies of the National Labor Relations Act.19
The economic weapons employed by labor and management in Morton, Machinists, and the present case are similar, and petitioners rely heavily on the statutory policy,. emphasized in the former two cases, of allowing the free play of economic forces to operate during the bargaining process. Moreover, because of the twofold impact of § 592 (1), which not only provides financial support to striking employees but also adds to the burdens of the struck employers, see n. 5, supra, we must accept the District Court’s finding that New York’s law, like the state action involved in Morton and Machinists, [532]*532has altered the economic balance between labor and management.20
But there is not a complete unity of state regulation in the three cases.21 Unlike Morton and Machinists, as well as the main body of labor pre-emption cases, the case before us today does not involve any attempt by the State to regulate or prohibit private conduct in the labor-management field. It involves a state program for the distribution of benefits to certain members of the public. Although the class benefited is primarily made up of employees in the State and the [533]*533class providing the benefits is primarily made up of employers in the State, and although some of the members of each class are occasionally engaged in labor disputes, the general purport of the program is not to regulate the bargaining relationships between the two classes but instead to provide an efficient means of insuring employment security in the State.22 It is therefore clear that even though the statutory policy underlying Morton and Machinists lends support to petitioners’ claim, the holdings in those cases are not controlling. The Court is being asked to extend the doctrine of labor law pre-emption into a new area.
II
The differences between state laws regulating private conduct and the unemployment-benefits program at issue here are important from a pre-emption perspective. For a variety of reasons, they suggest an affinity between this case and others in which the Court has shown a reluctance to infer a pre-emptive congressional intent.
Section 591 (1) is not a “state la[w] regulating the relations between employees, their union, and their employer,” as to which the reasons underlying the pre-emption doctrine have their “greatest force.” Sears, 436 U. S., at 193. Instead, as discussed below, the statute is a law of general applicability. Although that is not a sufficient reason to exempt it from preemption, Farmer v. Carpenters, 430 U. S. 290, 300, our cases have consistently recognized that a congressional intent to deprive the States of their power to enforce such general laws is more difficult to infer than an intent to pre-empt laws directed specifically at concerted activity. See id., at 302; Sears, supra, at 194-195; Cox, supra n. 16, at 1356-1357.
[534]*534Because New York’s program, like those in other States, is financed in part by taxes assessed against employers, it is not strictly speaking a public welfare program.23 It nevertheless remains true that the payments to the strikers implement a broad state policy that does not primarily concern labor-management relations, but is implicated whenever members of the labor force become unemployed. Unlike most States,24 New York has concluded that the community interest in the security of persons directly affected by a strike outweighs the interest in avoiding any impact on a particular labor dispute.
As this Court has held in a related context, such unemployment benefits are not a form of direct compensation paid to strikers by their employer; they are disbursed from public funds to effectuate a public purpose. NLRB v. Gullett Gin [535]*535Co., 340 U. S. 361, 364-365. This conclusion is no less true because New York has found it most efficient to base employer contributions to the insurance program on “experience ratings.” Id., at 365. Although this method makes the struck, rather than all, employers primarily responsible for financing striker benefits, the employer-provided moneys are nonetheless funneled through a public agency, mingled with other — and clearly public — funds, and imbued with a public purpose.25 There are obvious reasons, in addition, why the pre-emption doctrine should not “hinge on the myriad provisions of state unemployment compensation laws.” Ibid.26
[536]*536■New York’s program differs from state statutes expressly regulating labor-management relations for another reason. The program is structured to comply with a federal statute, and as a consequence is financed, in part, with federal funds. The federal subsidy mitigates the impact on the employer of any distribution of benefits. See n. 4, supra. More importantly, as the Court has pointed out in the past, the federal statute authorizing the subsidy provides additional evidence of Congress’ reluctance to limit the States’ authority in this area.
Title IX of the Social Security Act of 1935 established the participatory federal unemployment compensation scheme. The statute authorizes the provision of federal funds to States having programs approved by the Secretary of Labor.27 In Ohio Bureau of Employment Services v. Hodory, 431 U. S. 471, an employee who was involuntarily deprived of his job because of a strike claimed a federal right under Title IX to collect benefits from the Ohio Bureau. Specifically, he contended that Ohio’s statutory disqualification of claims based on certain labor disputes was inconsistent with a federal re[537]*537quirement that all persons involuntarily unemployed must be eligible for benefits.
Our review of both the statute and its legislative history convinced us that Congress had not intended to prescribe the nationwide rule that Hodory urged us to adopt. The voluminous history of the Social Security Act made it abundantly clear that Congress intended the several States to have broad freedom in setting up the types of unemployment compensation that they wish.28 We further noted that when Congress [538]*538wished to impose or forbid a condition for compensation, it did so explicitly; the absence of such an explicit condition was therefore accepted as a strong indication that Congress did not intend to restrict the States’ freedom to legislate in this area.29
The analysis in Ho dory confirmed this Court’s earlier interpretation of Title IX of the Social Security Act in Steward Machine Co. v. Davis, 301 U. S. 548,30 and was itself con[539]*539firmed by the Court’s subsequent interpretation of Title IV of the Act in Batterton v. Francis, 432 U. S. 416.31 These cases demonstrate that Congress has been sensitive to the importance of the States’ interest in fashioning their own unemployment compensation programs and especially their own eligibility criteria.32 It is therefore appropriate to treat [540]*540New York’s statute with the same deference that we have afforded analogous state laws of general applicability that protect interests “deeply rooted in local feeling and responsibility.” With respect to such laws, we have stated “that, in the absence of compelling congressional direction, we could not infer that Congress had deprived the States of the power to act.” San Diego Building Trades Council v. Garmon, 359 U. S. 236, 244.33
III
Pre-emption of state law is sometimes required by the terms of a federal statute. See, e. g., Ray v. Atlantic Richfield Co., 435 U. S. 151, 173-179. This, of course, is not such a case. Even when there is no express pre-emption, any proper application of the doctrine must give effect to the intent of Congress. Malone v. White Motor Corp., 435 U. S. 497, 504. In this case there is no evidence that the Congress that enacted the National Labor Relations Act in 1935 intended to deny the States the power to provide unemployment benefits for strikers.34 Cf. Hodory, 431 U. S., at 482. Far from the compelling congressional direction on which preemption in this case would have to be predicated, the silence of Congress in 1935 actually supports the contrary inference that Congress intended to allow the States to make this policy determination for themselves.
New York was one of five States that had an unemployment insurance law before Congress passed the Social Security [541]*541and the Wagner .Acts in the summer of 1935.35 Although the New York law did not then assess taxes against employers on the basis of their individual experience, it did authorize the payment of benefits to strikers out of a general fund financed by assessments against all employers in the State. The junior Senator from New York, Robert Wagner, was a principal sponsor of both the National Labor Relations Act and the Social Security Act;36 the two statutes were considered in Congress simultaneously and enacted into law within five weeks of one another; and the Senate Report on the Social Security bill, in the midst of discussing the States’ freedom of choice with regard to their unemployment compensation laws, expressly referred to the New York statute as a qualifying example.37 Even though that reference did not mention the subject of benefits for strikers, it is difficult to believe that [542]*542Senator Wagner38 and his colleagues were unaware of such a controversial provision, particularly at a time when both unemployment and labor unrest were matters of vital national concern.
Difficulty becomes virtual impossibility when it is considered that the issue of public benefits for strikers became a matter of express congressional concern in 1935 during the hearings and debates on the Social Security Act.39 As already noted, the scheme of the Social Security Act has always allowed the States great latitude in fashioning their own programs. From the beginning, however, the Act has contained a few specific requirements for federal approval. One of these provides that a State may not deny compensation to an otherwise qualified applicant because he had refused to accept work as a strikebreaker, or had refused to resign from a union as a condition of employment.40 By contrast, Congress rejected the suggestions of certain advisory members of the Roosevelt administration as well as some representatives of citizens and business groups that the States be prohibited [543]*543from providing benefits to strikers.41 The drafters of the Act apparently concluded that such proposals should be addressed to the individual state legislatures “without dictation from Washington.” 42
[544]*544Undeniably, Congress was aware of the possible impact of unemployment compensation on the bargaining process. The omission of any direction concerning payment to strikers in either the National Labor Relations Act or the Social Security Act implies that Congress intended that the States be free to authorize, or to prohibit, such payments.43
Subsequent events confirm our conclusion that the congressional silence in 1935 was not evidence of an intent to pre-empt the States’ power to make this policy choice. On several occasions since the 1930’s Congress has expressly addressed the question of paying benefits to strikers, and especially the effect of such payments on federal labor policy.44 On none of these occasions has it suggested that such [545]*545payments were already prohibited by an implicit federal rule of law. Nor, on any of these occasions has it been willing to supply the prohibition. The fact that the problem has been discussed so often supports the inference that Congress was well aware of the issue when the Wagner Act was passed in 1935, and that it chose, as it has done since, to leave this aspect of unemployment compensation eligibility to the States.
In all events, a State’s power to fashion its own policy concerning the payment of unemployment compensation is not to be denied on the basis of speculation about the unexpressed intent of Congress. New York has not sought to regulate private conduct that is subject to the regulatory jurisdiction of the National Labor Relations Board. Nor, indeed, has it sought to regulate any private conduct of the parties to a labor dispute. Instead, it has sought to administer its unemployment compensation program in a manner [546]*546that it believes best effectuates the purposes of that scheme. In an area in which Congress has decided to tolerate a substantial measure of diversity, the fact that the implementation of this general state policy affects the relative strength of the antagonists in a bargaining dispute is not a sufficient reason for concluding that Congress intended to pre-empt that exercise of state power.
The judgment of the Court of Appeals is
Affirmed.