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 ...

Game theory has long served as a cornerstone in understanding competitive strategies in markets where few firms operate. In particular, duopoly and oligopoly frameworks illustrate how firms’ strategic ...

This study compares a differentiated Cournot duopoly with a two-product monopoly by using the socially optimal solution as a reference point. Each solution is allowed to be either an interior or a ...