This note examines testing methods for Paretoness in the framework of rank-size rule regression. Rank-size rule regression describes a relationship found in the analysis of various topics such as city population, words in texts, scale of companies and so on. In terms of city population, it is...

This paper assesses the role of global value chains (GVCs) in services and identifies the sector’s contributions towards the expansion of the Japanese economy. Specifically, the analysis focuses on the tourism sector in Japan, which has been witnessing rapid growth in recent years. Tourism is...

Estimation of integrated multivariate volatilities of an Ito process is an interesting and important issue in finance, for example, in order to evaluate portfolios. New non-parametric estimators have been recently proposed by Malliavin and Mancino (2002) and Hayashi and Yoshida (2005a) as...