In this paper a two sector dynamic general equilibrium model is developed in order to evaluate the implications of the underground economy from a business cycle perspective. There are three main results. First, introducing an underground sector improves the fit of the model to the data, especially along several important labor market dimensions. Second, the model produces substantial internal propagation of temporary shocks. Third, it is shown that underground activities offer risk sharing opportunities by allowing households to smooth income through a proper labor allocation between the two sectors. Copyright Springer-Verlag Berlin/Heidelberg 2004Two-sector dynamic general equilibrium model, Underground economy, Propagation of shocks, Taxation.,

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The purpose of the Quaderni di Storia Economica (Economic History Working Papers) is to promote the circulation of preliminary versions of working papers on growth, finance, money, institutions prepared within the Bank of Italy or presented at Bank seminars by external speakers with the aim of stimulating comments and suggestions. The present series substitutes the Quaderni dell'Ufficio Ricerche storiche (Historical Research Papers). The views expressed in the articles are those of the authors and do not involve the responsibility of the Bank.

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