The main purpose of this study is to investigate how regulation, competition, governance structure, and business diversification strategy affect the cost structure of firms. By using 358 observations comprised of public utility firms and manufacturing firms from 1989 to 2002, we estimate the...

The main purpose of this study is to investigate, by using regressions analysis, the DR effect on households' electricity consumption. We employ three kinds of estimation models: a pooled OLS model, a random effect model, and a fixed effect model. Major results are as follows. First, the DR...

This paper has aimed to provide information useful to policy makers involved in planning for the management of postal service. Five countries were selected?the UK, France, Germany, US and Japan?and the characteristics of their postal services were described in terms of regulation,...

The main purpose of this study is to investigate the difference between incentive effects and physical condition effects in electricity saving behaviors of households, by applying stochastic frontier models for the demand function. As for incentives, we consider both internal incentives such as...

The main purpose of this study is to investigate how organizational slack is created and how it affects a firm’s performance. To address these questions, we construct three equations: managerial incentive function, organizational slack formation function and performance function, and we apply...

The purpose of our study is to investigate the effect of environmental investment on firm performance. It is believed that a firm can increase its economic performance by strengthening the trust of consumers and shareholders through environmental investment. Our study makes the following three...

The main purpose of this study is to investigate what kind of internal and external factors most affect a firm' s costs. We consider governance structure and business diversification strategy as internal factors and regulation and competition as external factors. By using 358 observations...