Measuring risk in the stock market context is one of the key challenges of modern finance. Despite of the substantial … significance of the topic to investors and market regulators, there is a controversy over what risk factors should be used to price … the assets or to determine the cost of capital. We empirically investigate the ability of several commonly proposed risk …

consistent with the interpretation that risk-averse dealers tend to provide less liquidity to the market when facing increased …

of Capital Asset Pricing Model (CAPM), allowing for a wide class of error distributions which include normality as a … is too restrictive when testing the CAPM. We also propose exact multivariate diagnostic checks (including tests for …In diesem Papier schlagen wir exakte likelihood-basierte Tests auf Mittelwert-Varianz- Effizienz im Rahmen des CAPM vor …

downside risk and recognizes the heavytail feature of the asset return distributions. Then we show that optimal portfolio sizes …