A copula approach is adopted to examine the extreme return-volume relationship in six emerging East-Asian equity markets. The empirical results indicate that the return-volume dependence is significant and asymmetric at extremes for all six East-Asian markets. In particular extremely high...

In this study we examine the persistence of a firm's ability to differentiate itself from its peers and stand out in a crowd of competitors through IT innovation. By using cross-sectional data set of large US firms from 1997-2004, our empirical evidence shows that prior IT innovation experience...

In this paper, we study intraperiod and intertemporal substitution in U.S. import demand using a two-good version of the permanent-income model that allows for nonseparability between domestic and imported goods consumption. The intratemporal elasticity of substitution between the two goods is...

This paper examines determinants of the proportion of females in the establishment as this variable can affect the male-female wage gap in an important way. Our search for the determinants is guided by two views of the labour market, namely discrimination and coincidence of needs between firms...

This paper examines how sales taxation on Internet purchases could affect the decision to buy goods over the Internet. The results appear robust with respect to unobserved technological sophistication or other alternative explanations. The tax effect is found to be significant and its magnitude...

Selecting an estimator for the covariance matrix of a regression's parameter estimates is an important step in hypothesis testing. From less to more robust estimators, the choices available to researchers include Eicker/White heteroskedasticity-robust estimator, cluster-robust estimator, and...