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This artefactual experiment in Ethiopia tested the hyperbolic discounting hypothesis by comparing time discounting over cash and consumption goods, using real payoffs. It found no difference in…

8 April 2008 | EfD Discussion Paper | Ethiopia

This study of the deleterious effect on fishing by the water hyacinth invasion of Lake Victoria found an unusual positive: the decline of fish catchability caused by the the abundance of water…

8 April 2008 | EfD Discussion Paper | Sweden

This examination of the impacts of market and institutional imperfections on technology adoption found that Ethiopian farmers’ decisions to adopt fertilizer significantly and negatively depended on…

8 April 2008 | EfD Discussion Paper | Ethiopia, Global Hub

Just how important social context is for voluntary contributions is investigated in a natural field experiment, where subjects made either actual or hypothetical contributions to a national park in…

8 April 2008 | EfD Discussion Paper | Central America, Sweden

In a natural field experiment, the authors quantified the importance of anonymity, reciprocity, and conformity through the provision of social reference levels in order to explain voluntary…

8 April 2008 | EfD Discussion Paper | Central America, Sweden

The revitalization of Machakos, Kenya, from overpopulation and resource degradation—seemingly by its population growth—has added another round to the Boserupian vs. Malthusian debate, and may make…

8 April 2008 | EfD Discussion Paper | Sweden, Kenya

Many greenhouse gas mitigation policies that shift fossil fuel use are accompanied by some hidden environmental benefits, so called “co-benefits” or “ancillary benefits.” Since these “co-benefits” are…

25 February 2008 | Discussion Paper, EfD Discussion Paper | China

Despite the great strides by the government of Tanzania in bolstering access to electricity in rural areas under its Rural Energy Agency (REA), rural connection rates have remained low. A substantial…

9 September 2020 | EfD Discussion Paper | Tanzania

We calculate the first distributional statistics for municipal water supply deliveries using 14.9 million monthly billing records for a half-million households in Cape Town, South Africa, from 2014…

7 July 2020 | EfD Discussion Paper | South Africa