Stata学习：如何构建美国企业欺诈变量？

文献来源The total number of fraud issues for each firm in a given year.Liu, X., et al. (2024). Military experience and subsequent effectiveness as a director. Journal of Economic Behavior & Organization.数据来源清洗数据u reprisk_v2_incidents, clear keep INCIDENT_DATE PRIMARY_ISIN FRAUD keep if F == "T" ren P isin joinby i using gvkey-isin g year = year(I) g n = 0 collapse (count) n, by(g y) ren n Fraud la var F 美国企业欺诈 sa 美国企业欺诈, replace d ta y su 得到结果Contains data from 美国企业欺诈.dta Observations: 18,876 Variables: 3 27 Apr 2024 14:41 ------------------------------------------------------------------------ Variable Storage Display Value name type format label Variable label ------------------------------------------------------------------------ gvkey long %12.0g year float %9.0g ………………………………