Korean Abstract: 최근 구글의 알고리즘 변경 및 검색결과 조작에 대한 EU의 제재, 라쿠텐이 온라인 입점업체의 가격 결정권을 침해하고 무료 배송정책을 도입한 행위에 대한 일본 경쟁당국의 제한 조치, 네이버가 자사상품...

This paper studies the choice of strategic variables by firms in a symmetric oligopoly in which each firm produces differentiated goods and maximizes its relative profit that is the difference between its profit and the average profit of the other firms. We consider a two stage game such that in...

The purpose of this paper is to estimate the degree of competition of consumer loan industry in Japan utilizing responses to a questionnaire survey conducted by Japan Consumer Finance Association. Estimating the cost function, we found that the industry is characterized by large scale economies....