Recent empirical studies suggest that prices in highly concentrated industries tend to be rigid and that pricing is often asymmetric with price rises occurring more frequently than price reductions (Domberger [1987]). Existing explanations of price rigidity and asymmetric pricing assume that...

This paper presents a somewhat novel approach to explore the economic contribution of ecosystems. It develops linked models to capture connections between resource stocks and flows and the resulting microeconomic and macroeconomic impacts. A bioeconomic model is developed that is imbedded into a...

It is no exaggeration to state that Kenya's wildlife has done much to shape the image and development fortunes of the country. Today tourism is among Kenya's top sources of foreign exchange, dominates the service sector, and contributes significantly to employment, especially in rural areas...

Road construction has often been viewed as the precursor to deforestation, especially in tropical forests. Traditional responses to such threats have been reactive, with attempts to mitigate impacts through physical measures, or the establishment of protected areas. These approaches often have...

The 21st century will witness the collision of two powerful forces - burgeoning population growth, together with a changing climate. With population growth, water scarcity will proliferate to new areas across the globe. And with climate change, rainfall will become more fickle, with longer and...