Title: Primal Productivity Indices: Exploring the Impact of Unbalanced Panel Data
Authors: Kerstens, Kristiaan
Van de Woestyne, Ignace
Issue Date: 2012
Conference: National Marine Fisheries Service Productivity Workshop location:Santa Cruz (California) date:11 June 2012
Abstract: We explore the effect of balancing unbalanced panel data when estimating primal productivity indices using non-parametric frontier estimators. First, we explore a series of pseudo-solutions aimed at making an unbalanced panel balanced. Then, we discuss some intermediate solutions (e.g., balancing 2-years by 2 years). We empirically illustrate these issues comparing both Malmquist and Hicks-Moorsteen productivity indices. Furthermore, we link this problem with a variety of literatures on infeasibilities, statistical inference of non-parametric frontier estimators, and the index theory literature focusing on the dynamics of entry and exit in industries. Finally, we draw up a list of remaining issues that could benefit from further exploration.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Faculty of Economics and Business (FEB) - miscellaneous
Research Centre for Mathematical Economics, Econometrics and Statistics, Campus Brussels (-)

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