Dufour, Jean-Marie; Kurz-Kim, Jeong-Ryeol - In: Journal of Empirical Finance 17 (2010) 2, pp. 180-194
Hill estimation (Hill, 1975), the most widespread method for estimating tail thickness of heavy-tailed financial data, suffers from two drawbacks. One is that the optimal number of tail observations to use in the estimation is a function of the unknown tail index being estimated, which...