The shadow (underground) economy plays a major role in many countries. People evade taxes and regulations by working in the shadow economy or by employing people illegally. On the one hand, this unregulated economic activity can result in reduced tax revenue and public goods and services, lower...

A matching model will explain both unemployment and economic growth by considering the underground sector and human capital. Three problems can thus be simultaneously accounted for: (i) the persistence of the underground sector, (ii) the ambiguous relationships between underground employment and...

To examine the macro economic effects of government tax and punishment policies, this paper develops a three-sector general quilibrium model featuring matching frictions, heterogenous abilities and an informal sector with tax evasion. The choice of education is determined endogenously. Job...