Zschille, Michael - In: Journal of Productivity Analysis 44 (2015) 1, pp. 97-114
The German potable water supply industry is regarded highly fragmented, thus preventing efficiency improvements that … of 364 German water utilities in 2006, applying Data Envelopment Analysis, to analyze the potential efficiency gains from … hypothetical mergers between water utilities at the county level. A conditional efficiency framework is applied to account for the …