Working Papers
1998
October 1, 1998
The Effects of Tax Wedges on Hours Worked and Unemployment in Sweden
Description: The paper investigates the relationship between labor taxation and unemployment in Sweden by estimating a labor market model that includes a wage-setting locus and labor demand and supply relationships. The study simulates the effect of a 1 percentage point increase in the payroll tax and in total tax rates. The increase in the payroll tax pushes up labor costs by about ½ percent over a 5–10 year time horizon. Hours worked fall by 0.5 percent and the unemployment rate rises by 0.3 percentage point. The increase in total tax rates generates a similar result. Therefore, it appears that increases in taxes have adversely affected employment and unemployment in Sweden.
October 1, 1998
Pension Developments and Reforms in Transition Economies
Description: This paper reviews developments in pension systems in 11 transition economies during the 1990s, highlighting the forces behind their rapid weakening. It focuses on the challenges these systems face—including those arising from demographic factors—and discusses why most transition countries are considering shifting, or have already shifted, from traditional defined-benefit pay-as-you-go systems to defined-contribution fully funded systems. Finally, the paper looks at the main options that arise in introducing fully funded components, including the relative mix between funding and pay-as-you-go, and the speed of the transition toward the new system.
October 1, 1998
European Trade and Foreign Direct Investment U-Shaping Industrial Output in Central and Eastern Europe: Theory and Evidence
Description: We examine industrial output in Bulgaria, Hungary, Poland, and Romania during 1989–95 in terms of pretransitional product trade orientation. The growth of EU-oriented output within sectors of industry, ex-post trade, and market liberalization, is modeled as foreign direct investment induced Schumpeterian (vertical) waves of product innovation. The growth of non-EU-oriented output within sectors is modeled as unobservable deterministic heterogeneity. The results indicate that the gap observed in industrial output performance when comparing Eastern European to former Soviet countries is mainly explained by the inherited presence of EU-oriented production and its unconstrained growth over the transition period.
October 1, 1998
Purchasing Power Parities in Five East African Countries: Burundi, Kenya, Rwanda, Tanzania, and Uganda
Description: In a case study of Burundi, Kenya, Rwanda, Tanzania, and Uganda, this paper finds that bilateral real exchange rates revert to a long-term equilibrium in line with purchasing power parities, implying that these countries constitute an integrated trading zone, their markets are interdependent and arbitrage works efficiently, and intraregional competitiveness is preserved. These findings are partly explained by the flexibility of nominal exchange rates and prices and the absence of long-term productivity differences among these countries. To strengthen market integration, foster private sector development, and enhance growth prospects, the paper emphasizes the importance of increased trade, competitive labor markets, flexible exchange rates, and convergence of macroeconomic and structural policies.
October 1, 1998
Real Exchange Rate Volatility: Does the Nominal Exchange Rate Regime Matter?
Description: A recent study by Grilli and Kaminsky (1991) argues that real exchange rate (RER) behavior is likely to be dependent on the particular historical period rather than on the nominal exchange rate arrangement itself. This paper reexamines RER behavior using alternative data sets, as well as different econometric methods, over the period 1880-1997. It finds strong evidence supporting the nonneutrality hypothesis of nominal exchange regime on RER volatility. Also, regime shifts play an important role in determining the persistence of shocks to the RER.
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