Estimating productivity changes with flexible coefficients

Technical progress in U.S. agriculture is evaluated using a new measure of productivity growth, flexible technical change. This measure allows for nonconstant returns to scale, market structures other than perfect competition, and time-varying coefficients. An integral part of the procedure is the e...

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Bibliographic Details
Published in:Western Journal of Agricultural Economics 1991-12, Vol.16 (2), p.280-290
Main Authors: Dorfman, J.H. (University of Georgia), Foster, K.A
Format: Article
Language:English
Subjects:
AGGREGATE DATA
AGREGAT
Agricultural economics
AGRICULTURAL PRODUCTION
ANALISIS ESTADISTICO
ANALYSE STATISTIQUE
CAMBIO TECNOLOGICO
Capacity utilization
CHANGEMENT TECHNOLOGIQUE
Coefficients
CRECIMIENTO ECONOMICO
CROISSANCE ECONOMIQUE
Crop production
DATOS GLOBALES
ECONOMIC GROWTH
ESTADOS UNIDOS DE AMERICA
ETATS UNIS
flexible least squares
flexible technical change
FONCTION DE PRODUCTION
FUNCIONES DE LA PRODUCCION
LEAST SQUARES
Mathematical independent variables
MEASUREMENT
MEDICION
MESURE
PRODUCCION
PRODUCTION
Production estimates
PRODUCTION FUNCTIONS
PRODUCTIVIDAD
PRODUCTIVITE
PRODUCTIVITY
Productivity growth
STATISTICAL ANALYSIS
Statistical discrepancies
TECHNICAL PROGRESS
TECHNOLOGICAL CHANGES
total factor productivity
USA
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Summary:Technical progress in U.S. agriculture is evaluated using a new measure of productivity growth, flexible technical change. This measure allows for nonconstant returns to scale, market structures other than perfect competition, and time-varying coefficients. An integral part of the procedure is the estimation of the production function by Flexible Least Squares. Flexible technical change results are compared with two traditional measures of productivity growth and found to be more stable and more precise in a statistical sense. The results suggest that previous studies which employed total factor productivity measures may have overstated the impact of technology in agriculture.
ISSN:0162-1912
1068-5502
2327-8277
2327-8285