The current debate on trade liberalization is accompanied by an increased concern about environmental and food safety issues leading to frictions of different country groups under the World Trade Organization (WTO). This discussion paper aims at shedding more light on some of the issues in the...

Climate change and land degradation have considerably altered the conditions for rain-fed agriculture in Northern Ghana. Furthermore, population pressure has led to continuous farming of available agricultural lands and thus caused land degradation. Crop failure and decreasing yields that result...

Unresolved social dilemmas that inhibit pro-social behaviour are at the root of most pressing global environmental issues such as climate change, ecological degradation and water scarcity. Meeting these challenges through purely externally imposed (‘top-down’) solutions can be ineffective or...