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La explotación de recursos de uso común constituye la única fuente de ingresos de una porción significativa de hogares en países en desarrollo. El objetivo de este documento es mostrar empíricamente que cuando un recurso de uso común escasea, esto ocasiona un crecimiento demográfico tal...
Persistent link: https://www.econbiz.de/10005014484
En este documento se estudian las variables ambientales, económicas y sociales de la ciénaga continental más grande de Colombia, Zapatosa. Este ecosistema está repartido entre dos departamentos (Cesar y Magdalena) y cinco municipios (Chimichagua, Tamalameque, El Banco, Chiriguaná y...
Persistent link: https://www.econbiz.de/10005249880
In this paper we model tourism development in the framework of multi- population dynamics and analyze the time pattern of its impact as the evolution of the interaction between two populations feeding over the same space-resource. Each population might be structured in two (or more) ?clubs? with...
Persistent link: https://www.econbiz.de/10005518355
El objetivo de este artículo es ligar la obra de Veblen sobre economía evolutiva con el enfoque de la recientemente desarrollada teoría de juegos evolutivos (TJE). Este es el primer paso en la incorporación de la teoría de evolución socioeconómica de Veblen en la discusión sobre la...
Persistent link: https://www.econbiz.de/10008509409
Spanish Abstract: En este artículo se propone un modelo teórico que ayuda a entender el funcionamiento de las redes de defensa y corrupción del narcotráfico. Con base en las teorías de juegos y de redes se analizan las interacciones estratégicas entre los narcotraficantes y sus agentes. Se...
Persistent link: https://www.econbiz.de/10014134725
The marine environment provides, directly or indirectly, a wide range of benefits on humans that are not just economic but also on health and well-being. All these privileges are returned in the form of pollution. Human actions are destroying the marine living environment and with this the human...
Persistent link: https://www.econbiz.de/10014468640
Shrimp sector in Ecuador is nowadays one of the fastest-growing non-oil sectors towards the international market. In despite of this growth, to our knowledge most of the little producers of shrimps in Ecuador take important operational decisions based upon empirical knowledge, without...
Persistent link: https://www.econbiz.de/10014494503
This research analyzes the potential effects that a redistributive fishing quota policy could have on the profits and employment of the artisanal fisher organizations. We use a multi-objective programming model and apply it to the common sardine and anchovies fisheries in the Biobío Region for...
Persistent link: https://www.econbiz.de/10011538761
This paper examines estimations of technical catch efficiency for a sample of 204 industrial vessels operating at the pelagic grounds of Southern-Central Chile during the 1985-95 period. We consider a Translog stochastic frontier model à-la Battese-Coelli
Persistent link: https://www.econbiz.de/10005515185
[EN] The irreversibility of the investment expenditures in a fishery and the high degree of uncertainty attaching to the price of the fishing resources make the evaluation of investment opportunity in a fishery particularly difficult. The net-present-value proposes the following rule: "Invest in...
Persistent link: https://www.econbiz.de/10005518740