Tail Estimates of East European Exchange Rates
东欧汇率的尾部估计
In the literature, a consensus exists that distributions of exchange-rate returns are fat tailed. The authors use a nonparametric tail-index estimator based on extreme-value theory to shed light on some of the characteristics of the empirical distribution of black-market exchange-rate returns for seven East European currencies between 1955 and 1990, focusing on the information in the tails of the distribution. They modify an existing tail-index estimator to take into account…