(negative) skewness in the case of stochastic production (cost) frontieranalysis. It takes as example the binomial distribution …

). The novelty of this paper is the consideration of the dependence between the two error terms in the case of panel data and … balanced panel case, several models describing the evolution of the inefficiency over time and the dependence between the two … error terms. The inefficiency and noise terms being dependent, a copula function which reflects the dependence between them …

Pearson’s mode of skewness and moment coefficients of skewness and kurtosis are derived. The results are useful to researchers …

, original return time series and stationary, locally normalized ones. Thereby, we are able to explore the empirical dependence … skewed Student's t-copula. The K-copula covers the empirical dependence structure on the local scale most adequately, whereas …