This article empirically investigates the Environmental Kuznets Curve (EKC) for CO₂ emissions in the cases of 11 OECD countries by taking into account the role of nuclear energy in electricity production. The autoregressive distributed lag approach to cointegration is employed as the estimation...

This article contributes a new empirical study on currency substitution in Cambodia. In our analysis, a model of money-in-the-utility function is adopted. The empirical results indicate that the elasticity of substitution between foreign and domestic real currency balances in Cambodia is high....

With the recent diffusion of broadband (BB) services, Internet protocol (IP) telephony is expected to spread significantly in Japan. This article investigates the demand for IP telephony by using conjoint analysis. Projecting IP telephony demand also contributes to Japanese info-communication...