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Alix Peterson Zwane

Executive In Residence in the Nicholas Institute for Energy, Environment & Sustainability
Nicholas Institute for Energy, Environment & Sustainability

Selected Publications


Targeting health subsidies through a nonprice mechanism: A randomized controlled trial in Kenya.

Journal Article Science (New York, N.Y.) · August 2016 Free provision of preventive health products can markedly increase access in low-income countries. A cost concern about free provision is that some recipients may not use the product, wasting resources (overinclusion). Yet, charging a price to screen out n ... Full text Cite

Water Supply and Sanitation

Chapter · January 1, 2014 Every year, 2.2 million people die from diarrheal diseases, a leading cause of which is unhygienic water and sanitation. The outstanding question is not whether water and sanitation prevent diarrheal diseases in a biomedical sense, but what interventions a ... Full text Cite

Economics. Implications of scarcity.

Other Science (New York, N.Y.) · November 2012 Full text Cite

Water and sanitation

Chapter · January 1, 2012 The challenge The world has met the MDG on water five years early according to the most recent Joint Monitoring Program update released in March 2012 but will miss its goal on basic sanitation by almost 1 billion people (WHO/UNICEF 2012). An astonishing on ... Full text Cite

Being surveyed can change later behavior and related parameter estimates.

Journal Article Proceedings of the National Academy of Sciences of the United States of America · February 2011 Does completing a household survey change the later behavior of those surveyed? In three field studies of health and two of microlending, we randomly assigned subjects to be surveyed about health and/or household finances and then measured subsequent use o ... Full text Cite

Spring cleaning: rural water impacts, valuation, and property rights institutions.

Journal Article The quarterly journal of economics · January 2011 Using a randomized evaluation in Kenya, we measure health impacts of spring protection, an investment that improves source water quality. We also estimate households' valuation of spring protection and simulate the welfare impacts of alternatives to the cu ... Full text Cite

Providing Clean Water: Evidence from Randomized Evaluations

Chapter · January 1, 2011 Diarrheal diseases kill 1.6 million children annually, and a key cause is unsafe drinking water. The limited existing evidence from randomized evaluations suggests that consumers are willing to pay for increased quantity and convenience of water, but does ... Full text Cite

Providing safe water: Evidence from randomized evaluations

Journal Article Annual Review of Resource Economics · December 1, 2010 This paper uses a public economics framework to review evidence from randomized trials on domestic water access and quality in developing countries and to assess the case for subsidies. Water treatment can cost-effectively reduce reported diarrhea. However ... Full text Cite

Water and sanitation

Chapter · January 1, 2009 The 1980s were designated the International Water and Sanitation Decade, and the international community committed itself to ensuring that everyone in the world would have access to at least basic water and sanitation services by 1990. This target was not ... Full text Cite

Perspective paper 7.2

Chapter · January 1, 2009 Full text Cite

Does poverty constrain deforestation? Econometric evidence from Peru

Journal Article Journal of Development Economics · September 1, 2007 This paper examines the relationship between income and land clearing for households living in tropical forest regions. A simple model of the agricultural household that clears land for agriculture is developed to investigate the relationship between lagge ... Full text Cite

What works in fighting diarrheal diseases in developing countries? A critical review

Journal Article World Bank Research Observer · March 1, 2007 The Millennium Development Goals call for reducing by half the proportion of people without sustainable access to safe drinking water. This goal was adopted in large part because clean water was seen as critical to fighting diarrheal disease, which kills 2 ... Full text Cite

Can country-of-origin labeling succeed as a marketing tool for produce? Lessons from three case studies

Journal Article Canadian Journal of Agricultural Economics · December 1, 2006 This paper draws on the theory of product differentiation in a trade context and uses three case studies to highlight the conditions necessary for a successful geographical-origin branding strategy for farm produce in the United States. In so doing, the U. ... Full text Cite

Managing environmental risks through private sector cooperation: Theory, experience and a case study of the California Code of Sustainable Winegrowing Practices

Journal Article International Food and Agribusiness Management Review · October 1, 2005 There is growing interest in voluntary agreements as an economic policy tool for managing environmental risks. Numerous studies have been published about the theory of such arrangements, how they work, and what they accomplish. They demonstrate that volunt ... Cite

Encouraging private sector research for tropical agriculture

Journal Article World Development · January 1, 2005 Agricultural needs in poor tropical countries differ significantly from those in temperate, rich countries. Yet little agricultural research is performed on products for the tropics. Private research is particularly concentrated in rich countries. This is ... Full text Cite

Compensation for "meaningful participation" in climate change control: A modest proposal and empirical analysis

Journal Article Journal of Environmental Economics and Management · January 1, 2002 The debate over an international climate change regime has thus far focused primarily on efficiency concerns in developed countries. This paper suggests a means by which equity concerns may be addressed in the ongoing negotiations. A system of transfers is ... Full text Cite