% (and can be as high as 40%) of total currency risk, as measured by the entropy of exchange rate changes, over horizons of …

Rényi entropy criterion, which summarizes the uncertainty in portfolio returns. Assuming asset returns are projected by a … regime-switching regression model on the two market risk factors, we develop an entropy-based dynamic portfolio selection … empirical Sharpe and return to entropy ratios, the dynamic portfolio under the proposed strategy is much improved in contrast …

We provide an entropy approach for measuring asymmetric comovement between the return on a single asset and the market …. Moreover, our approach also provides an entropy-based measure of downside asymmetric comovement. In the cross-section of stock …