Estimation of technical efficiency of black cumin (Nigella sativa L.) farming in northwest Ethiopia: a stochastic frontier approach

Abebe Birara Dessie (), Tadie Abate (), Betelhem Tsedalu Adane, Tiru Tesfa and Shegaw Getu
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Abebe Birara Dessie: University of Gondar
Betelhem Tsedalu Adane: University of Gondar
Tiru Tesfa: University of Gondar
Shegaw Getu: University of Gondar

Journal of Economic Structures, 2020, vol. 9, issue 1, 1-14

Abstract: Abstract Ethiopia is one of the east African countries which produce and exports various spices to other countries. Black cumin (Nigella sativa L.) is an important stiff annual flowering plant which mainly grows by producers for its seeds. An increasing demand of black cumin seed and oil in local, national and international market for medicinal, consumption and commercial purpose makes the best alternative crop for small holder farmers in Ethiopia. In spite of its importance, not much has been 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. Primary data were collected using a semi-structured questionnaire administered on 188 black cumin producers selected using systematic random sampling technique. Moreover, various data analysis methods such as descriptive statistics and stochastic frontier model were used for analyzing the data. The empirical result obtained by applying maximum likelihood estimate of stochastic frontier model revealed that seed (p

Keywords: Black cumin; Efficiency; Stochastic frontier model; Production; Ethiopia (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1186/s40008-020-00198-1

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