Duverger claimed more than 50 years ago that the number of candidates in elections should be a function of electoral rules. Both his ?law?and ?hypothesis?suggest the number of candidates vying for seats in elections to be tightly linked to characteristics of the elec- toral process such as its...

O objetivo deste trabalho é investigar se as variáveis macroeconômicas locais e externas podem explicar o comportamento do índice da Bolsa de Valores de São Paulo (Bovespa) no período de 1995 a 2007. As variáveis macroeconômicas locais analisadas foram: índice de produção industrial,...

In this paper, we develop a model that captures stylized facts of informal labor markets. We show how justice interference on informal contracts leads to penalties in the equilibrium wage of informal workers. We also state that, in a repeated game situation, an equilibrium where the wage gaps...

Pesquisas recentes vêm encontrando que alunos da raça negra têm pior desempenho escolar que alunos da raça branca em testes cognitivos padronizados. Segregação racial é freqüentemente apontada na literatura internacional como uma das principais responsáveis por essa diferença. Nós...

This paper studies a customs union agreement when governments are subject to the pressure of special interest groups that have better information about the competitiveness of the industries they represent. We focus on the agreement’s effect on the structure of political influence. When joining...

We test the degree to which presidential approval ratings are related to a series of eco- nomic indicators, controlling for the political scenario in Brazil. Results, from 1999M9 until 2009M2, show that unemployment is the main variable that a®ects the ratings. There is also evidence that...

This article explores theoretic and empirically the effects of inequality on the cost of electoral campaigns. An electoral competition model suggests that electoral campaigns costs increase with the level of inequality. That result stresses the need of careful campaign financing regulation in...

As relações entre o progresso técnico e o mercado de trabalho são estudadas por diversos autores atualmente tanto no cenário nacional como internacional, apresentando inusitadamente resultados ambíguos. No âmbito nacional, alguns estudos encontraram evidências de que firmas...

We develop and calibrate a model where differences in factor endowments lead countries to trade intermediate goods, and gains from trade reflect in total factor productivity. We perform several output and growth decompositions, to assess the impact that barriers to trade, as well as changes in...