This paper analyses monthly returns of 10 share portfolios negotiated at Bovespa between 1987 and 1997 in order to test the APT model. Macroeconomic factors were created as sources of common variance of these assets. The factors were statistically significant in explaining the relationship...

The objective of this paper is to investigate the potential role of credit market imperfections in transmission mechanism of monetary policy in Brazil. The paper uses the.nancial accelerator model, developed by Bernanke, Gertler and Gilchrist (1999), where the credit channel arises via balance...