ROBUSTNESS OF PRODUCTIVITY ESTIMATES*
Abstract
Researchers interested in estimating productivity can choose from an array of methodologies, each with its strengths and weaknesses. We compare the robustness of five widely used techniques, two non‐parametric and three parametric: in order, (a) index numbers, (b) data envelopment analysis (DEA), (c) stochastic frontiers, (d) instrumental variables (GMM) and (e) semiparametric estimation. Using simulated samples of firms, we analyze the...
Paper Details
Title
ROBUSTNESS OF PRODUCTIVITY ESTIMATES*
Published Date
Sep 1, 2007
Volume
55
Issue
3
Pages
529 - 569
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