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Keywords: Stochastic frontier
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Journal Articles
Relative efficiency, industry concentration and average stock returns
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Journal:
Studies in Economics and Finance
Studies in Economics and Finance (2019) 36 (1): 63–82.
Published: 26 April 2019
... The stochastic frontier approach is used to estimate firm efficiency. The Herfindahl index is used to measure industry concentration. Regression and vector autoregressive analyses are performed to examine cross-sectional and lagged relationships between concentration, efficiency, profitability and stock returns...
