The Effect of Additional Police Force on Crime Rate : Evidence from Women's Japan Basketball League

Kawashima, Hiroya

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論文情報

タイトル	The Effect of Additional Police Force on Crime Rate : Evidence from Women's Japan Basketball League
著者	Kawashima, Hiroya Kawashima, Hiroya
キーワード等	Police
	Crime
	Basketball
抄録	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 system for the adaption of the international standard. Using this natural experiment, the Difference in Difference and the Instrumental Variable method are used to remove endogeneity. The results indicate that increased number of referees decrease number of fouls after considering both reverse causality and unobservable heterogeneity.
公開者	Osaka School of International Public Policy
掲載誌名	OSIPP Discussion Paper
巻	DP-2012-E-011
刊行年月	2012-11
URL	http://hdl.handle.net/11094/23398
関連情報 (references)	http://www.osipp.osaka-u.ac.jp/archives/DP/2012/DP2012E011.pdf
言語	英語

著者版フラグ	none
NII資源タイプ	テクニカルレポート
ローカル資源タイプ	ディスカッション／ワーキング・ペーパー
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	OSIPP Discussion Paper.DP-2012-E-011
DC.title	The Effect of Additional Police Force on Crime Rate : Evidence from Women's Japan Basketball League
DC.creator	Kawashima, Hiroya
DC.publisher	Osaka School of International Public Policy
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2012-11
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/23398
DC.subject	Police
	Crime
	Basketball
DCTERMS.abstract	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 system for the adaption of the international standard. Using this natural experiment, the Difference in Difference and the Instrumental Variable method are used to remove endogeneity. The results indicate that increased number of referees decrease number of fouls after considering both reverse causality and unobservable heterogeneity.
citation_title	The Effect of Additional Police Force on Crime Rate : Evidence from Women's Japan Basketball League
citation_author	Kawashima, Hiroya
citation_publisher	Osaka School of International Public Policy
citation_language	英語
citation_date	2012-11
citation_journal_title	OSIPP Discussion Paper
citation_volume	DP-2012-E-011
citation_public_url	http://hdl.handle.net/11094/23398
citation_keywords	Police
	Crime
	Basketball

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