Risk-Based DEA Efficiency and SSD Efficiency of OECD Members Stock Indices

Neslihan Fidan Keçeci and Yonca Erdem Demirtaş

Alphanumeric Journal, 2018, vol. 6, issue 1, 25-36

Abstract: A stock market index gives some illustrative information regarding the financial market. In this study, we are interested in stock indices efficiency of OECD member countries. We use Data Envelopment Analysis (DEA) methodology and Second Order Stochastic Dominance (SSD) Criteria as an efficiency metrics. DEA is a linear programming based technique for measuring the relative efficiency of homogenous decision making units by their input-output rates. In the Risk-Based DEA, traditional and modern risk measures are used as inputs of the model and the mean return as an output. We consider Conditional Value at Risk (CVaR) as a modern risk measure of financial asset returns. Another approach for the efficiency is Stochastic Dominance (SD) rule that takes into account the entire distribution of return, rather than the return distribution characteristics. There are several papers show that SSD constraints related to the CVaR constraints in an optimization model. Therefore, we compare Risk-Based DEA results with optimization problem with SSD constraints in the empirical study. We also test SSD efficiency of stock index pairs. The results are valuable for the asset managers who need to evaluate the performance of a stock index among others.

Keywords: Conditional Value at Risk; Data Envelopment Analysis; Index Efficiency; Stochastic Dominance (search for similar items in EconPapers)
JEL-codes: C61 G32 (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:anm:alpnmr:v:6:y:2018:i:1:p:25-36

DOI: 10.17093/alphanumeric.345483

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