Soil fertility depletion is among the major impediments to sustained agricultural productivity especially in the less developed countries because of limited application of fertilizers. Soil fertility…

This paper relates principle findings in the optimal economic enforcement literature to practical issues of enforcing and managing forest and wildlife access restrictions in developing countries. The…

The authors explore the impact of participatory forest management (PFM) in Tanzania that excludes villagers from traditional access to forests to collect non-timber forest products (NTFPs). Using…

This paper analyzes unintended impacts of the interaction of multiple environmental policy instruments, specifically, the effects of tradable permits and seasonal direct regulations on adoption rates…

Following the 1998 National Forest Policy and Forest Act of 2002, participatory forest management (PFM) is being introduced in Tanzania. PFM has two key objectives: to reduce forest degradation…

The Economics of Climate Change: Putting a Price on Carbon Focus on clean energy has intensified amid the threat to the climate from fossil fuels. In this context, Tradable Renewable Energy…

We evaluated the impacts of the Ethiopian Productive Safety Net Program (PSNP) on rural households’ holdings of livestock and forest assets including trees, applying both regression analysis and…

Using South Africa’s hake and rock lobster fisheries, the authors argue the need for satellite accounts of South Africa’s commercial fisheries. They stress the policy role of satellite accounts where…

This article analyzes the effects of the invasion of water hyacinth on fishing in Lake Victoria. The authors built two fairly standard Schaefer-type models that have one innovation: They allow the…

In this paper we study the process of technical change in the case of pollution abatement from large stationary sources that have been regulated by a very forceful refunded emission payment policy…