Andreas Pollak

Optimal Unemployment Insurance

[Optimale Arbeitslosenversicherung.]

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Published in English.
Andreas Pollak employs theoretical and empirical economic methods to study the optimal design of an unemployment insurance system. He gives policy recommendations concerning the level and duration of unemployment benefits and evaluates the recent German »Hartz IV« labour market reform.
Designing a good unemployment insurance scheme is a delicate matter. In a system with no or little insurance, households may be subject to a high income risk, whereas excessively generous unemployment insurance systems are known to lead to high unemployment rates and are costly both from a fiscal perspective and for society as a whole. Andreas Pollak investigates what an optimal unemployment insurance system would look like, i.e. a system that constitutes the best possible compromise between income security and incentives to work. Using theoretical economic models and complex numerical simulations, he studies the effects of benefit levels and payment durations on unemployment and welfare. As the models allow for considerable heterogeneity of households, including a history-dependent labor productivity, it is possible to analyze how certain policies affect individuals in a specific age, wealth or skill group. The most important aspect of an unemployment insurance system turns out to be the benefits paid to the long-term unemployed. If this parameter is chosen too high, a large number of households may get caught in a long spell of unemployment with little chance of finding work again. Based on the predictions in these models, the so-called »Hartz IV« labor market reform recently adopted in Germany should have highly favorable effects on the unemployment rates and welfare in the long run.

Andreas Pollak Born 1978; studied Economics (VWL) at the University of Freiburg and the London School of Economics; Computer Science at FernUni Hagen; 2006 PhD in Economics (Promotion in VWL), University of Freiburg.


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