Existing literature on the welfare state in Eastern Europe emphasizes two other categories of factors, namely socialist legacies and trade unions, but we do not include them as they fall beyond the scope of this article. As a side note, it is worth mentioning that the influence of socialist legacies is largely considered to be reflected in some of the principles of welfare systems, and-at least in the first years of transition- in the large state social expenditures. Under the pressure of reforming the welfare states, the influence of socialist legacies tends to fade over time. Trade unions have an ambiguous influence on social expenditure because of their relationships with the governments. On one hand, trade unions have accepted austerity programs. On the other hand, some trade unions have managed to impede the government's implementation of certain restructuring programs. However, it is largely accepted by observers of trade unions in Eastern Europe that they are weak actors. See Stephen Crowley, Hot Coal, Cold Steel: Russian and Ukrainian Workers from the End of the Soviet Union to the Post-Communist Transformations (Ann Arbor: University of Michigan Press, 1997); Stephen Crowley, "Explaining Labor Weakness in Post-communist Europe: Historical Legacies and Comparative Perspective," East European Politics and Societies 18 (2004): 394-429; Stephen Crowley and David Ost, eds., Workers after Workers' States. Labor and Politics in Post-Communist Eastern Europe (Lanham: Rowman & Littlefield Publishers, 2001); David Ost, "Illusory Corporatism in Eastern Europe: Neoliberal Tripartism and Postcommunist Class Identities," Politics Society 28 (2000): 503-530; John E. M. Thirkell, Krastyu Petkov, and Sarah A. Vickerstaff, The Transformation of Labour Relations: Restructuring and Privatization in Eastern Europe and Russia (New York: Oxford University Press, 1998); Paul Kubicek, Organized Labor in Postcommunist States. From Solidarity to Infirmity (Pittsburgh: Pittsburgh University Press, 2004); Bela Greskovits, The Political Economy of Protest and Patience: East European and Latin American Transformations Compared (Budapest: Central European University Press, 1998); Carola Frege, "Understanding Union Effectiveness in Central Eastern Europe: Hungary and Slovenia," European Journal of Industrial Relations 8 (2002): 53-76; Martin Myant, Brian Slocock, and Simon Smith, "Tripartism in the Czech and Slovak Republics," Europe-Asia Studies 52 (2000): 723-739; Terry Cox and Bob Mason, Social and Economic Transformation in East Central Europe. Institutions, Property Relations and Social Interests (Cheltenham, UK: Edward Elgar, 1999); Elena A. Iankova, Eastern European Capitalism in the Making (Cambridge, UK: Cambridge University Press, 2002); Anna Pollert, "Trade Unionism in Transition in Central and Eastern Europe," European Journal of Industrial Relations 5 (1999): 209-234; Sabina Avdagic, "Accounting for Variations in Trade Union Effectiveness: State-Labor Relations in East Central Europe," MPIfG Discussion Papers 06 (2003), Max Planck Institute for the Study of Societies, Cologne; Sabina Avdagic, "Loyalty and Power in Union-Party Alliances Labor Politics in Postcommunism," MPIfG Discussion Paper 07 (2004), Max Planck Institute for the Study of Societies, Cologne.