This paper analyzes influence of an additional referee on number of fouls by using the data from Women's Japan Basketball League (WJBL) in order to examine whether number of police officers affects the crime rate. For the season of 2010-2011, the upper league of the WJBL introduced three-referee...

This paper analyzes influence of an additional referee on number of fouls by using the data from Women's Japan Basketball League (WJBL) in order to examine whether number of police officers affects the crime rate. For the season of 2010-2011, the upper league of the WJBL introduced 3 referees...

This paper empirically analyzes the impact of labor market conditions and poverty on crime using the prefectural panel data for each five years from 1980 to 2000. When estimating these relations, it is often the case that endogeneity causes biased estimator. Therefore panel data and Instrumental...