We analyse the risk of portfolios mixing hedge funds, stocks and bonds. The risk of the portfolios is quantified by the Value-at-Risk and the Expected Shortfall derived from the Extreme Value Theory. This approach enables us to take the impact of higher moments into account. We show that the...

This paper investigates the relative performance of local and foreign financial analysts on Latin American emerging markets.

In this research we study the specification and the power of classic test statistics used in long-term event studies analysis. Using simulations in random samples, we show that test statistics based on an arbitrary benchmark are well specified and as powerful as the ones based on the size and...

This study examines the issue of detecting permanent shifts in the volatility of emerging stock market indexes returns. We show that standard tests have no power in disentangling conditional heteroscedasticity versus jumps in the variance of stock returns. We propose two methods to detect jumps...

This paper investigates the relative performance of local and foreign financial analysts on Latin American emerging markets. There is a strong evidence that foreign financial analysts outperform local analysts on these markets. Foreign analysts produce more timely and more accurate forecasts. A...

The apparent predictability of stock prices and the related profitability of investment strategies based on it has generated a great deal of research. Since the late eighties, momentum strategies have attracted a lot of the attention and have been found to be very profitable mainly for US stock...