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Jean‐Olivier Hairault François Langot Thepthida Sopraseuth 《International Economic Review》2008,49(3):755-797
It is argued that the tax on continued activity should be removed by implementing actuarially fair schemes. However, these schemes cannot fund the expected Social Security (SS) deficit. This article proposes to give individuals a fraction of the actuarially fair incentives in the case of postponed retirement. SS faces a trade‐off between giving enough incentives to make individuals delay retirement and giving little increase in pensions in order to help finance its expected deficit. This trade‐off is captured by a Laffer curve. Finally, when the SS system aims to maximize welfare, the optimal tax on postponed retirement is still strictly positive. 相似文献
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Jean-Olivier Hairault François Langot Sophie Osotimehin 《Review of Economic Dynamics》2010,13(4):759-779
We investigate the welfare cost of business cycles implied by matching frictions. First, using the reduced form of the matching model, we show that job finding rate fluctuations generate intrinsically a non-linear effect on unemployment: positive shocks reduce unemployment less than negative shocks increase it. For the observed process of the job finding rate in the US economy, this intrinsic asymmetry increases average unemployment, which leads to substantial business cycles costs. Moreover, the structural matching model embeds other non-linearities, which alter the average job finding rate and consequently the welfare cost of business cycles. Our theory suggests to subsidizing employment in order to dampen the impact of the job finding rate fluctuations on welfare. 相似文献
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This paper proposes a two‐country general‐equilibrium model incorporating a tradable sector with pricing‐to‐market as well as a nontradable sector. In that case, real exchange rate fluctuations arise from two sources: changes in the relative price of traded goods, that exemplify deviations from the law of one price, and movements in the relative price of traded to nontraded goods across countries. Our framework sheds light on the propagation mechanisms through which monetary shocks affect the real exchange rate. More specifically, the two components respond in opposite directions to monetary disturbances, which is consistent with data. Besides, the introduction of nontraded goods does not alter the predictive power of monetary shocks because the presence of nontraded goods magnifies the response of the deviation from the law of one price. 相似文献
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