Mariam, Yohannes; Coffin, Garth - Volkswirtschaftliche Fakultät, … - 1993
-physical resources such as indigenous production knowledge is not only greater than most physical resources or inputs but also indicates … that it is location-specific. That is, the impact of production knowledge is larger on the amount of grain produced by … knowledge exert greater influence on the amount of milk produced per cow in the Selale than in the Ada region. The impact of …