additive two-stage DEA

Measuring sustainability efficiency using a two-stage DEA approach" has been formally accepted for publication in the Journal of Industrial Ecology.

In this article we apply an additive two-stage data envelopment analysis (DEA) estimator on a panel of 20 countries with advanced economy for the time period 1990-2011 in order to create a composite sustainability efficiency index. We use a window-based approach in order to study the countries over the years. The sustainability efficiency index is decomposed into production efficiency and eco-efficiency indicators. The results reveal inequalities among the examined countries between the two stages.

English

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