Contributions of Productivity and Relative Price Changes to Farm-level Profitability Change

Amin Mugera, M.R. Langemeier, A. Ojede

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Abstract

© 2016 The Authors.This article investigates the sources of profitability change at the farm level, by farm size and specialization, with an application to a sample of 256 farms in Kansas from 1993 to 2010. Using the Lowe index method, profitability change is decomposed into changes in total factor productivity and terms of trade. The nonparametric data envelopment analysis method is used to further decompose total factor productivity into technical change and different measures of output-oriented efficiency change. Finally, the system-Generalized Methods of Moments approach is employed to investigate the dynamic relationship between different components of productivity on farm profitability. Results indicate that profitability change is mainly driven by total factor productivity change. The main source of total factor productivity change is technical change. The upward-shifting frontier results in declining technical efficiency. Results point towards the need to support research and development without ignoring efforts to encourage the uptake of existing technologies.
Original languageEnglish
Pages (from-to)1210-1229
Number of pages20
JournalAmerican Journal of Agricultural Economics
Volume98
Issue number4
DOIs
Publication statusPublished - 1 Jul 2016

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