Showing 1 - 10 of 3,663
In many spatial resource models it is assumed that the agent is able to determine the harvesting activity over the complete spatial domain. However, agents frequently have only access to a resource at particular locations at which the moving biomass, such as fish or game, may be caught or...
Persistent link: https://www.econbiz.de/10011522144
Predator-prey relationships account for an important part of all interactions between species. In this paper we provide a microfoundation for such predator-prey relations in a food chain. Basic entities of our analysis are representative organisms of species modelled similar to economic...
Persistent link: https://www.econbiz.de/10011507918
In recent years a large number of experimental studies have documented the existence of strong reciprocity among humans. Strong reciprocity means that people willingly repay gifts and punish the violation of cooperation and fairness norms even in anonymous one-shot encounters with genetically...
Persistent link: https://www.econbiz.de/10011514175
The paper offers a proof that expected utility maximisation with logarithmic utility is a dominant preference in the biological selection process in the sense that a population following any other preference for decision-making under risk will, with a probability that approaches certainty,...
Persistent link: https://www.econbiz.de/10011541191
Based on economic methodology we model an ecosystem with two species in predator-prey relationship: mice feed on grain and grain feeds on a resource. With optimizing behaviour of individual organisms a short-run ecosystem equilibrium is defined and characterized that depends on the farmer’s...
Persistent link: https://www.econbiz.de/10003113272
In this paper we develop a micro ecosystem model whose basic entities are representative organisms which behave as if maximizing their net offspring under constraints. Net offspring is increasing in prey biomass intake, declining in the loss of own biomass to predators and Allee's Law applies....
Persistent link: https://www.econbiz.de/10003120634
Persistent link: https://www.econbiz.de/10003497662
Discounting has to take account of ecosystem services in consumption and production. Previous literature focuses on the first aspect and shows the importance of the relative price effect, for given growth rates of consumption and ecosystem services. This paper focuses on intermediate ecosystem...
Persistent link: https://www.econbiz.de/10011973962
For thousands of years, humans have known the value of honeybees in agriculture. Their pollination services are crucial for the mankind, the Global ecosystem and food production. The recently documented decline of the honeybee colonies in the world is alarming and may threaten the whole living...
Persistent link: https://www.econbiz.de/10009733002
paper provides a theory of why the "latitude gradient" seemingly changed sign in the course of the last half millennium. In … economic development during pre-industrial times, yet allow for an early onset of sustained growth. As a result, the theory …
Persistent link: https://www.econbiz.de/10011774936