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Globalization and Welfare Policy. Bertil Holmlund Department of Economics Uppsala University Workshop at SNS Stockholm 4 October 2006. Four questions. Has the rate of structural change increased? Does globalization lead to a harmonization of social security systems?
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Globalization and Welfare Policy Bertil Holmlund Department of Economics Uppsala University Workshop at SNS Stockholm 4 October 2006
Four questions • Has the rate of structural change increased? • Does globalization lead to a harmonization of social security systems? • Does international competition worsen the tradeoff between equity and efficiency? • Is the demand for income and job security increasing in income and in the rate of structural change?
Q1: Has structural change increased? • Definition -- increased ”turbulence”? • An increase in the rate of depreciation of skills Evidence from data on • Employment shifts across industries • Job mobility/job tenure • Wage instability • Wage losses associated with job losses
Wage instability • United States • an increase in the 1980s, a decline in the 1990s (Moffitt and Gottschalk 2002) • United Kingdom • increase in earnings volatility during the 1990s (Ramos 2003) • Sweden • no trend during the 1990s (Gustavsson 2004)
Job displacement and wage losses • United States (Violante 2002) • 10 percent larger losses in the 1980s compared to the 1970s • Wage growth within jobs higher in the 1980s than during the 1970s • United Kingdom (Nickell et al 2002) • Increase in earnings losses from a spell of unemployment • Sweden?
Q2: Does globalization lead to a harmonization of social security systems? • Theory • The US experience • States determine social insurance programs, minimum wages… • Substantial differences in benefit generosity • Empirics for 20 OECD countries: • Unemployment insurance (UI) systems • Employment protection • Union density • Tax rates Source: Nickell et al dataset, CEP LSE
Q3: Does international competition worsen the tradeoff between equity and efficiency? • Labor migration sets limits on redistribution policy among wage earners • The lower end: welfare migration • The upper end: brain drain • Capital mobility sets limits on taxes on capital
Q3 (b): Does international competition worsen moral hazard problems in social insurance? Example: unemployment benefits • Labor migration – welfare migration • Wage bargaining – wage moderation • Job search – search or leisure abroad?
Q4: Is the demand for income and job security increasing in income and in the rate of structural change? • Optimal unemployment insurance • Some theory and simulations • A brief look at the data • Do more open economies demand more insurance in the form of • Government expenditure • Labor market regulations and insurance
Unemployment insurance and income • A constant replacement rate is required in order to maintain constant unemployment along a balanced growth path • The optimal replacement rate (b) is invariant to changes in income • so the benefit level adjusts to wages: B=b*W
Optimal Unemployment Insurance:The Role of Job Destruction and Labor Market Flexibility Compare Economies with low and high job destruction Higher job destruction implies higher unemployment Flexible vs less flexible labor markets Higher job destruction and higher matching efficiency Unemployment may be the same
Search and matching model Fredriksson and Holmlund, JOLE 2001 Risk aversion (relative risk aversion=2) Nash bargaining over wages Uniform vs. two-tiered benefit system b is the first tier, z the second: b≥z Stochastic benefit duration
Job destruction • Exogenous job destruction rate: φ vs. • Exogenous job destruction rate: 2φ
Flexible vs less flexible labor markets • Job destruction rate: φ • Matching efficiency: c vs. • Job destruction rate: 2φ • Matching efficiency: 2c Matching function: H=cVaU1-a
Conclusions • Has the rate of structural change increased? Don’t know • Does globalization lead to a harmonization of social security systems? No • Does international competition worsen the tradeoff between equity and efficiency? Probably 4. Is the demand for income and job security increasing in income and in the rate of structural change? Probably