This paper examines if taking into account changes in the number of producers, or equivalently changes in the product variety space over the business cycle, helps to understand and replicate international business cycle facts. To this end, we develop a two-country model in which the economy is...

Some programs and research networks are dealing with topics associated to the automtive sector and they observe one of the most significative sectores of modern economies. Because of that is so interesting to forecast some possible changes in an horizon of 10 to 20 years. But this exercse must...

The restoration of seagrass meadows for the recuperation of macro and micro habitats in the area of Portinho da Arrábida is the objective of BIOMARES project, during 2007 and 2011, co-financed by Life-Nature European Commission Programme. But what is the added value of this initiative? This...

Portuguese Abstract: O volume de investimentos governamentais na área de segurança pública, conforme as informações de orçamentos públicos, estão excessivamente elevados, em detrimento de áreas como a saúde pública, cujos valores apresentam-se aquém das necessidades. Faz-se...

Raising the public administration's efficiency is, without any doubt, one of the greatest challenges nowadays in Brazil. The State's technical and allocative efficiency dimensions necessarily require efficiency of public agencies in the acquisition of inputs for their production and supply...

This paper aims to analyse the information asymmetry as a source of inefficiencies to the Brazilian Power Industry. This article focuses on the currently adopted prices formation model based on operation costs minimization without price bidding. We show that the use of adverse selection, by...

O objetivo deste artigo é analisar as recentes fusões e aquisições na siderurgia brasileira e mundial no sentido de verificar se a reestruturação observada resultou em elevação dos lucros do setor. Primeiramente, testamos um modelo teórico proposto por Inderst e Wey (2004) e encontramos...

This paper tests two hypotheses for the overbidding behavior of the banks in the fixed rate tenders conducted by the European Central Bank from January 1999 until June 2000. One hypothesis attributes the overbidding to expectations of a future tightening of monetary policy, while the other...