RDP 2016-03: Why Do Companies Hold Cash? Equation

E[ α i | X 1it ,PUBLI C i ]0 E[ α i | X 2it ]=0 MathType@MTEF@5@5@+=feaagCart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=xfr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGceaqabeaacaWGfbWaamWaaeaacqaHXoqydaWgaaWcbaGaamyAaaqabaGccaGG8bGaamiwamaaBaaaleaacaaIXaGaamyAaiaadshaaeqaaOGaaiilaiaadcfacaWGvbGaamOqaiaadYeacaWGjbGaam4qamaaBaaaleaacaWGPbaabeaaaOGaay5waiaaw2faaiabgcMi5kaaicdaaeaacaWGfbWaamWaaeaacqaHXoqydaWgaaWcbaGaamyAaaqabaGccaGG8bGaamiwamaaBaaaleaacaaIYaGaamyAaiaadshaaeqaaaGccaGLBbGaayzxaaGaeyypa0JaaGimaaaaaa@5556@