Data Envelopment Analysis (DEA) to Estimate Technical and Scale Efficiencies of Smallholder Pineapple Farmers in Ghana

Description

This research aimed at estimating the technical efficiencies of smallholder pineapple farmers using the Data Envelopment Analysis (DEA) technique. The DEA technique was appropriate because it allowed the researcher to estimate technical efficiency on constant returns assumptions, variable returns assumptions, and further compute the scale efficicincy. The Central Region of Ghana was purposefully selected in this study since it is one of the major pineapple growing areas in Ghana. The sampling process includes 15 smallholder pineapple farmers from the Abura-Asiebu-Kwamankese district, 875 farmers from the Komenda-Edina-Eguafo-Abirem district and 1051 from the Ekumfi district as designated by Ghanaian Department of Agriculture across the Central Region. The technique on sample size determination for a given population was suggested in Krejcie and Morgan (1970) which was used to delineate the current sample size based on the sampling frame(s). As a result, 320 smallholder pineapple farmers were used. Due to uncertainty and constraints or unavailability of survey respondents, Marc, et al., (2005) advised the rationale for keeping provision of 10% of the sample to reflect the non-responses and errors occurred in the process of data collection.

Steps to reproduce

To reproduce this results, one must multiply the unit cost of each input by the total units used to get the totals. this will be done for both fixed and variable inputs. you then have to proceed with computing the total revenue which is given by multiplying the unit cost per fruit by the total fruits produced per an acre of land. After these computations, you can apply the formular for computing TE. NB: all the inputs and computations are done per acre of land. TR Total Revenue TFC total fixed cost TVC total variable cost TE_VRS technical efficency under variable returns TE_CRS technical efficiency under constant returns scale_eff scale efficiency

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