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 examines the effect of unemployment rates on crime rates, using two types of Japanese data: time-series data from 1976 to 2008 and prefectural panel data from 1975 to 2005. An analysis using time-series data shows that an increase in unemployment rates raises crime rates, while the...

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This paper examines whether the stock split bubble in Japan burst by not only reformed system, but also Livedoor-shock. It is difficult to identify the effects of the both events, because they occurred in the same month (January, 2006). Thus, I identify both effects by dividing the samples into...

This paper examines how the informational efficiency of the Japanese stock markets changed with the introduction of ETFs(Exchange-Traded Funds) by looking at the arbitrage relationships between cash and futures of the Nikkei225. This paper is unique in that it uses tick data, which enable me to...

This paper examines the efficiency of the Dojima Rice Market established in 1730 in Osaka, and closed in 1869 due to the collapse of Tokugawa Shogunate. It had already been shown that there existed the price mechanism in Dojima. However, the most significant question: Whether the world first...

This paper introduces probability which represents symmetry transaction pattern into Roll [1984] and shows that the second autocorrelation for stockfs return is not necessarily zero. Glosten/Harris [1988] considers trader who symmetrically trades as information trader. Then I examine the...