Dessie, Abebe Birara; Abate, Tadie Mirie; Adane, … - In: Journal of economic structures : JES; the official … 9 (2020) 18, pp. 1-14
done to improve its production and productivity in Ethiopia. Therefore, this research was designed to examining efficiency … variations and factors influencing technical inefficiency levels of producers on black cumin production in northwest Ethiopia … significant input variables in determining black cumin production. The mean technical efficiency level of black cumin producer was …