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- Title
Productivity accounting for separable technologies.
- Authors
Chambers, Robert; Karagiannis, Giannis; Tzouvelekas, Vangelis
- Abstract
This paper develops a method for decomposing total factor productivity growth in separable production technologies and uses it to examine the role of pest-damage prevention on agricultural productivity. The rate of technical change is decomposed into output-enhancing and damage-preventing components. Growth accounting cannot provide separate estimates of these two components of technical change, and instead a parametric model is developed based on the dual cost function. The proposed model captures both components of technical change, properly accounts for environmental effects, and also accommodates the presence of capacity utilization and scale biases. The empirical application of the model is to a sample of Cretan olive-oil producers, and the results show that output-enhancing technical change is more important than damage-preventing technical change in explaining observed total factor productivity (TFP) changes. The second largest source of TFP growth is due to the scale effect.
- Subjects
PRODUCTIVITY accounting; INDUSTRIAL productivity; AGRICULTURAL productivity; TECHNOLOGICAL innovations; PARAMETER estimation; COST functions
- Publication
Journal of Productivity Analysis, 2014, Vol 41, Issue 1, p41
- ISSN
0895-562X
- Publication type
Article
- DOI
10.1007/s11123-013-0367-6