Person:
van den Berg, Caroline

Global Practice on Water
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Water economics, Public finance, Monitoring and evaluation
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Global Practice on Water
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Last updated: January 31, 2023
Biography
Caroline van den Berg is working as a Lead Water Economist in the World Bank’s Global Water Practice, focusing mostly on the economics of water supply, wastewater, sanitation and irrigation water services.  She has extensive experience in the preparation and implementation of investment and development policy operations, and in applied research projects – with a work experience that extends over more than 40 countries in Africa, Asia, Europe, Latin America and the Middle East.   She works on cost-benefit analysis, financial analysis, monitoring and evaluation, benchmarking of utilities, regulation and pricing, energy efficiency in water projects and public finance mostly in relation to the water sector.  She has published regularly in academic journals.  Prior to joining the World Bank, she was a research economist, financial analyst and project economist in the private sector. She earned her M.A. in macroeconomics from the Erasmus University Rotterdam in the Netherlands and a Ph.D. in spatial sciences from the University of Groningen (The Netherlands). 

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Heterogeneity in the Cost Structure of Water and Sanitation Services : A Cross-Country Comparison of Conditions for Scale Economies

2010, Nauges, Celine, van den Berg, Caroline

The main purpose of this article is to compare the cost structure of water utilities across a set of 14 countries with different levels of economic development. As far as is known, the cross-country perspective is novel in this literature. This article first provides new measures of returns to scale in the water and sanitation sector for a set of countries, most of them from the developing world. It is then shown that the probability of a utility operating under decreasing, constant, or increasing returns to scale depends not only on its characteristics (the volume of water produced in particular), but also on the country's level of economic development (gross national income) and business environment as measured by investor protection, the cost of enforcing contracts and perceptions of corruption.