Showing 1 - 10 of 254
Nitrate pollution from agriculture is an important environmental problem, caused bythe excessive use of inorganic fertilizers. The internalization of this externality, via a tax onmineral nitrogen, could lead to a second best solution, reducing nitrate emissions. Severalauthors suggest that a...
Persistent link: https://www.econbiz.de/10009442765
We analyze the current state and future requirements of an agricultural income stabilization mechanism in a transition country – namely, the crop insurance system in Kazakhstan. Three objectives will be pursued: First, factors influencing the development of the crop insurance market will be...
Persistent link: https://www.econbiz.de/10009444834
A mathematical programming model is developed and associated to a spatial pattern index (Ripley L function) to analyse the optimal reserve design and implementation for the Little Bustard conservation in Plaine de Niort. The model structure corresponds to three spatial levels, fields, farm and...
Persistent link: https://www.econbiz.de/10009445725
The biological nature of agricultural production processes induce a higher degree ofuncertainty surrounding the economic performance of farm enterprises. This has contributedto the development and acceptance of forms of public intervention aimed at reducing incomevariability that have no...
Persistent link: https://www.econbiz.de/10009445763
A water-crop simulation/mathematical programming model of irrigation water demand in northeastern Colorado is formulated to develop an original concept of derived demand for consumptive use of water. Conventional demand functions for water deliveries are also developed, and the effect of...
Persistent link: https://www.econbiz.de/10009446619
Recently, Branzei, Dimitrov, and Tijs (2003) introduced cooperative interval-valued games. Among other insights, the notion of an interval core has been coined and proposed as a solution concept for interval-valued games. In this paper we will present a general mathematical programming algorithm...
Persistent link: https://www.econbiz.de/10009447478
Gegenstand dieser Arbeit ist die Untersuchung von Finanzmarktmodellen, die für den An- und Verkauf von Finanzgütern anfallende Kosten berücksichtigen, sogenannte Transaktionskosten. Zentrales Thema ist dabei ein Portfoliooptimierungsproblem in einem Black-Scholes-Modell mit n Aktien bei...
Persistent link: https://www.econbiz.de/10009429000
The traditional Markowitz mean-variance portfolio optimization theory uses volatility as the sole measure of risk …
Persistent link: https://www.econbiz.de/10009460768
closely to the theory of convex risk measures. We show that the complexity of this approach is equivalent to that of solving a …
Persistent link: https://www.econbiz.de/10009475403
An analysis and further development of the building blocks of modern credit risk management:- Definitions of default- Estimation of default probabilities- Exposures- Recovery Rates- Pricing- Concepts of portfolio dependence- Time horizons for risk calculations- Quantification of portfolio risk-...
Persistent link: https://www.econbiz.de/10009476241