Estimating technical efficiency in Finnish industry: A stochastic frontier approach
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School of Business |
Master's thesis
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Authors
Date
2014
Major/Subject
Economics
Kansantaloustiede
Kansantaloustiede
Mcode
Degree programme
Language
en
Pages
100
Series
Abstract
OBJECTIVES: The objective of this thesis is to estimate the technical efficiency of Finnish industry in various sectors using stochastic frontier models. Furthermore this thesis provides a comparison between parametric and nonparametric estimation techniques utilized in the efficiency analysis literature. We estimate the technical efficiency for each sector separately, both as a cross-section and using panel data techniques. We discuss the various extensions to the models considered and identify further topics of research based on our estimation results. METHODOLOGY AND DATA: This thesis utilizes stochastic frontier estimation techniques to estimate technical efficiency for various sectors of industry. Production frontiers are estimated both parametrically and nonparametrically. The two main approaches to frontier estimation utilized in the thesis are Stochastic Frontier Analysis (SFA) and Stochastic Nonparametric Envelopment of Data (StoNED). The dataset we utilize is a cross-sectional panel dataset of companies operating in various sectors of the Finnish industry. Technical efficiencies are estimated with both cross-sectional and panel data methods, with various specifications. CONCLUSIONS: We find that the mean efficiency in most sectors is quite high in most models. The estimated efficiencies are sensitive to the model choice. Parametric and nonparametric estimates are found to be similar and of the same magnitudes for the majority of sectors considered. We find significant variability in technical efficiencies over time, particularly in models where firm-specific heterogeneity is controlled.Description
Keywords
technical efficiency, industry, econometrics, stochastic frontier analysis, stochastic nonparametric envelopment of data, SFA, StoNED