Various plants and resources such as orchards are vulnerable to the detrimental effects of successful invasions by alien animal or plant species. To outline an appropriate policy response, we first use renewal theory to construct a stochastic model of optimal orchard management in the presence...

Categorical Data and Choice Analysis in a Spatial Context -- Optimization Models -- A Combined Linear/Non-Linear Programming Model for Employment, Transportation, and Housing in an Urban Economy -- An Optimum Economic/Energy Land-Use Transportation Model -- Information Flows and Decision-Making...

This paper introduces and surveys ecological-economic analysis and valuation of biodiversity. Furthermore, the notion and application of economic, monetary valuation of biodiversity is critically evaluated. A classification of biodiversity values is offered, based on a system of logical...

The recent East Asian crisis has highlighted the relationship between financial development and output volatility. In this essay we develop a simple model of a small open economy producing a tradeable good using a non-tradeable input and where firms access to borrowings and investment depends on...

This paper introduces a framework for analyzing the role of financial factors as a source of instability in small open economies. Our basic model is a dynamic open economy model with one tradeable and one non-tradeable good with the non-tradeable being an input to the production of the...

This paper analyzes the optimal interest rate policy in currency crises. Firms are credit constrained and have debt in domestic and foreign currency, a situation that may easily lead to a currency crisis. An interest rate increase has an ambiguous effect on firms since it both makes more...