Title: The sensitivity of productivity estimates: Revisiting three important productivity debates
Authors: Van Biesebroeck, Jo # ×
Issue Date: Jul-2008
Publisher: American Statistical Association
Series Title: Journal of Business and Economic Statistics vol:26 issue:3 pages:311-328
Abstract: Researchers interested in estimating productivity can choose from an array of methodologies, each with its strengths and weaknesses. This study compares productivity estimates and evaluates the extent to which the conclusions from three important productivity debates in the economic development literature are sensitive to the choice of estimation method. Five widely used techniques are considered, two nonparametric and three parametric: index numbers, data envelopment analysis, instrumental variables estimation, stochastic frontiers, and semiparametric estimation. Using data on manufacturing firms in two developing countries, Colombia and Zimbabwe, I find that the different methods produce surprisingly similar productivity estimates when the measures are compared directly, even though the estimated input elasticities vary widely. Furthermore, the methods reach the same conclusions for two of the debates, supporting endogenous growth effects and showing that firm level productivity changes are an important contributor to aggregate productivity growth. In terms of the third debate, the parametric productivity measures provide evidence of learning-by-exporting, while the nonparametric measures that allow for a different production technology for exporters and nonexporters do not.
ISSN: 0735-0015
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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