Kato, Takao; Kauhanen, Antti - Elinkeinoelämän Tutkimuslaitos (ETLA) - 2013
increase firm performance in general and enterprise productivity in particular by introducing PRP and if so, how much. However … novel and rigorous evidence on the productivity effect of varying attributes of PRP and shows that the details of PRP indeed … establish that the omitted variable bias is serious, makes the cross-sectional estimates on the productivity effect of the …