Using data from the Brazilian Labor Monthly Survey (PME/ IBGE) for the years of 2006 and 2007, the paper investigates if the wage differential by firm size in Brazil can be explained by the predictions of the Efficiency Wage Theory. It is adopted a Switching Regression Model to estimate if large...

This paper studies the educational efficiency as determined only by the variables directly controlled by the school, isolated from the influence of other environmental characteristics, such as student’s socioeconomic status, that might influence efficiency as well. An alternative...

Two main questions are addressed in this paper, namely: to what extent can urban and peri-urban agriculture (UPA) contribute to the social inclusion of migrants? And does UPA practised by urban farmers of foreign origin contribute to the expansion of biodiversity in cities? A comparative...