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...

This is a note on corruption and underground economy in a Kaldor-type model of the business cycle. It appears that when the economy is booming and underground activities seek to enter the official economy, bureaucrats have the upper hand but until underground businesses cannot tolerate...