Lawrence Dacuycuy Graduate School of Economics, Kyoto University   ,   lbdacuycuy@secon.mbox.media.kyoto-u.ac.jp         Primary Research Focus: earnings inequality, nonparametric specification analysis, survey estimation and testing, sample selection problems   JEL Areas: C4 : Econometric and Statistical Methods: Special Topics J3 : Wages, Compensation, and Labor Costs: General