This paper examines generic entry into the Japanese pharmaceutical market. Relatively little is known about generic entry in regulated markets. Using micro data between 2003 and 2005, I find that generic entry is sensitive to the prescription pattern driven by the price regulation and healthcare...

Understanding the drivers of market concentration in the generic pharmaceutical industry is essential to guaranteeing the availability of low-cost generics. In this paper, we develop a structural model to capture the multiple determinants governing manufacturers' entry decisions; in particular,...