The English version of this paper can be found at 'http://ssrn.com/abstract=3158890' http://ssrn.com/abstract=3158890.Japanese Abstract: 本研究では、発行体がグリーンボンドを発行する際に利用する3つの発行制度「グリーンボンド原則（Green Bond...

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....