This note investigates the structure of dominance relations in daily returns of 32 German assets during the 1990s. We focus on stochastic dominance of first, second and third order but mean-variance and mean-Gini dominance is also considered. Efficient (i. e., nondominated) sets of assets are...

This paper reports an investigation into measures of portfolio performance. The Sharpe ratio is the natural performance measure when asset returns come from any elliptically symmetric distribution, regardless of the investor utility function and subject only to regularity conditions. Under such...

Sousa (2010a) shows that the residuals from the common trend among consumption, financial wealth, housing wealth and human capital, cday, can predict quarterly stock market returns better than cay from Lettau and Ludvigson (2001), which considers aggregate wealth instead. In this paper, we use a...

In this paper, we aim at the study of the contagion of the global financial crisis (2007-2009) on Moroccan stock market. Our study focuses to examine whether contagion effects exist on Moroccan stock market, during the current financial crisis. Following Forbes and Rigobon (2002), we define...

We inject aggregate uncertainty — risk and ambiguity — into an otherwise standard business cycle model and describe its consequences. We find that increases in uncertainty generally reduce consumption, but they do not account, in this model, for either the magnitude or the persistence of the...