Countries that are forerunners in electricity market liberalization have encountered the problem of how to deal with market power of electricity suppliers. How to ensure competition in the electricity market is a crucial question facing Japan, which has started the liberalization process...

We build a model to analyze the Japanese-style third party access method wherein new entrants can use, for a fee, the power transmission grids of the vertically integrated electric utility companies, and we conduct some simple qualitative analysis on special cases. We draw three principal...

The most straightforward policy evaluation model is the consumer surplus approach, which adopts a partial equilibrium analysis framework. Using consumer surplus, which can be measured by the area to the left of the demand curve, this framework is extremely simple yet applicable in a surprising...

The purpose of this paper is to elucidate a method for constructing a small-scale policy evaluation model that is applicable to assessing actual policies. The approach adopted in the paper is to construct a perfectly consistent small-scale model adopting the user-friendly CES function, while...

In studies on the liberalization of Japanese electricity markets, simulations targeting whole areas of liberalization have been conducted. However, new entries have been very rare except in the area of commercial demand for extra-high voltage supply. In this paper we conduct a simulation...