This study evaluates the effect of driving restriction on national transport fuel sales in San José, Costa Rica.

Driving restrictions such as the one implemented in the San José Metropolitan Area, in Costa Rica, have gained popularity among policymakers in developing countries. However, the effects of restrictions on common transport externalities such as air pollution and traffic congestion remain unclear. This analysis evaluates the effect of San José’s driving restriction on national transport fuel sales.

Organic certification in Costa Rica improves coffee growers’ environmental performance

The authors conducted a field experiment in a protected area to explore the effects of conformity to a social reference versus a comparable, but imposed, suggested donation. By keeping the intrinsic valuation of the good constant, they were able to explore the effect of these two treatments on self image.

Initiatives certifying that farms and firms adhere to predefined environmental and social welfare production standards are increasingly popular. According to proponents, they create financial incentives for farms and firms to improve their environmental and socioeconomic performance. This paper reviews the evidence on whether sustainable certification of agricultural commodities and tourism operations actually has such benefits.

The Environment for Development initiative started in 2007 and this is the report for the first three-year period.

EfD is an initiative to support environmental economics capacity to conduct research, academic training and policy outreach.

The six EfD centers are expected to make a difference by contributing to better environmental management and thereby reducing poverty in developing countries.

Using a natural field experiment in a recreational site, a public good almost fully dependent on voluntary donations, the authors explored the crowding-out effect of gift rewards. First, they investigated whether receiving a map in appreciation of a donation crowded out prosocial behavior and found no significant effect of giving the map. Second, they explored the effect of adding the map to a treatment designed to increase donations.