This work provides a new way to analyze of the effect of electoral system and corruption: through its degree of proportionality. It seems the correct way to consider them because their proportionality degree varies under the same PR, plurality and mixed system. Results show that those degrees of...

Several measures indicate the presence of substantial corruption in Italian society. This paper investigates the determinants of corruption in Italy in the period 1963-2001 using statistics on crimes against the public administration at a regional level. Our estimates show that economic...

Organised crime tightens its corrupting influence on politics through violent intimidation. Anti-crime measures that increase the cost of corruption but not of the exercise of violence might accordingly lead mafia-style organizations to retaliate by resorting to violence in lieu of bribery. On...

This work provides a parametric and semi-parametric analysis of the relationship between the proportionality degree of an electoral system and corruption. This allows us to properly consider mixed electoral systems alongside the two traditional ones, proportional and plurality. Results show that...