English Abstract: The long-horizon event study methodology is used to document the severe impact of the US subprime mortgage crisis on the Colombian economy. The estimated parameter of a constant mean return model is used to derive the “abnormal return” on the market portfolios of Colombia...

We thoroughly describe the workings of the Brazilian interbank exchange rate market: agents, products, regulation, operation and risks. We analyse the recent evolution of the exchange rate market and came to a negative evaluation of the current exchange rate trading system, thereby suggesting an...