This paper provides a simple model of corruption dynamics with the ratchet effect. As in Shleifer and Vishny (1993), we consider the sale of government property (entry permit) by government officials as the prototype of corruption activities. In a dynamic version of the Shleifer-Vishny model,...

This paper develops a simple framework to analyze the links between corruption and the unofficial economy and their implications for the official economy. In a model of self-selection with heterogeneous entrepreneurs, we show that the entrepreneurs' option to flee to the underground economy...

We study how the shadow economy affects pollution and how this effect depends on corruption levels in public administration. Production in the shadow economy allows firms to avoid environmental regulation policies; a large informal sector may be accompanied by higher pollution levels. Our...

Even though high penalties for corruption offences have a deterrent and preventive effect, they also entrap bribe-takers and bribe-givers in their corrupt relationship. Moreover, pending penalties can be misused to make threats against opportunistic behavior and can thus stabilize risky bribe...

This paper argues that contracts induced by means of bribery should be valid. Nullity and voidability decrease the incentive for voluntary disclosure, assist corrupt actors with enforcing their bribe agreements and provide leeway for abuse. Thus, they run counter to effective anti-corruption. It...