The Baltic Sea states and the European Commission initiated the intergovernmental Baltic Sea Energy Cooperation (BASREC) in 1998 and established it the following year. The aim of this study is to examine and compare the energy productivity change, energy technical change, and energy efficiency...

A traditional DEA (data envelopment analysis) model is useful for estimating the best performances for a successful and a more efficiency DMU (decision-making unit). This study uses a traditional DEA model to estimate the efficiency score of bank z in Taiwan and get a good efficiency score based...

Environmental protection plans cannot succeed without full cooperation among related units. However, inconsistent investment preferences toward environmental protection increase the damage to the environment. This article employs the contract mechanism to analyse environmental protection effects...

The purpose of this paper is to develop a general theoretical model that describes production and recycling in an n-firm oligopoly market in which firms can cooperate for recycling. We use a three-stage game to analyze a specific recycling issue. In stage 0, the government sets a target...