This thesis is composed of three different chapters focusing on labour market policies, unemployment and the construction industry. The analyses aim to contribute to the microeconomic theory, proving three different concepts of externally caused variations, affecting both, the labour market...

This dissertation contributes to the emerging literature on endogenous political institutions and the causal relationship between institutions and the political and economic environment. For the purpose, all chapters rely on electoral reforms used as natural experiments that induce exogenous...