. Three resampling techniques for calculating -values are shown to be asymptotically valid: bootstrap, random symmetrization … and permutation. Monte Carlo simulations show that the bootstrap performs less satisfactorily than the others in adhering … suggest that the homogeneity tests proposed in this article performs better than the bootstrap version of Bartlett's test. …

assets and hedge fund returns and examines their effects on the assumptions of linearity-in-the-mean testing and portfolio … assumption of linearity required for the covariance matrix in portfolio selection. To examine the linearity assumption as it … relates to a mean-variance investor, a hypothesis test approach is employed which investigates the linearity-in-the-mean of …