Ueber gewisse Differentialgleichungen
Bemerkung über die Abbildung einer gewissen Fläche vierter Ordnung
Bemerkung über das Flächennetz zweiter Ordnung
Note über die Rotation eines starren Körpers
Dependence of Stock Returns in Bull and Bear Markets
Despite of its many shortcomings, Pearson’s rho is often used as an association measure for stock returns. A conditional version of Spearman’s rho is suggested as an alternative measure of association. This approach is purely nonparametric and avoids any kind of model misspecification. We derive hypothesis tests for the conditional rank-correlation coefficients particularly arising in bull and bear markets and study their finite-sample performance by Monte Carlo simulation. Further, the daily returns...
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