Summary This paper investigates the relationship between the underground economy and tax evasion through a microeconomic model based on portfolio theory. The underground economy is assumed to be the result of bureaucracy, excessive regulation, and tax evasion. The main conclusion of the analysis...

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...