Periods of Financial Stability are associated to low bank efficiency and high non-performing loans in credit portfolios. Therefore, this paper studies the relationship between bank efficiency and non-performing loans. To evaluate the bank efficiency, we employ a Data Envelopment Analysis. We...

This paper presents measures of long-range dependence in daily exchange rates of the Brazilian Real against the US Dollar, taken from 1995 to 2004 employing the classical R/S analysis with a rolling sample. It analyses the switch from a crawling peg exchange regime to a floating exchange regime,...

The purpose of this research is to evaluate the banking structure of the four major emerging economies (Brazil, Russia, India and China - BRIC), and Latin American countries. We employ a stochastic frontier model to estimate the values of cost efficiency and compare these efficiency measures...

This paper evaluates the loans market in Brazil in the 2003 to 2008 period. It measures diversification and nonperforming loans for Banks credit portfolios. We employ the credit risk bureau database, which classifies loans by sector and risk. Results show an increase in higher risk loans and...

This paper investigates the presence of contagion due to the subprime crisis through the analysis of increases in correlation and changes in the co-skewness degree in banking systems. We elaborate a ranking containing the countries which suffered more contagion. Empirical results reveal that...