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Article Abstract:

The framework used by Olesen and Petersen for analyzing the effect of investments on the performance and productivity of pubs is evaluated. The analysis focuses on how the lack of investment the year before contributes to upward bias and how this bias can affect the pubs' existing output levels. Several variables that were incorporated into the data envelopment analysis model used in the study are discussed.

Analysis, Capital investments, Industrial productivity

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A simulation study of hypothesis tests for differences in efficiencies

Article Abstract:

A simulation study has been conducted to evaluate the performance of new asymptotic tests for data envelopment analysis for measuring inefficiency differences between two groups. Performances were measured using the parametric corrected ordinary least squares tests and Welch and Mann-Whitney tests. The measurements were taken using five different underlying functions and four different sample sizes.

Decision-making, Models, Decision making, Measurement, Asymptotic efficiencies (Statistics)

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