[spa] Nota sobre la equivalencia entre impuestos en un marco de equilibrio general en economía cerrada, . por Katheline Schubert.. . En esta nota se analiza el problema de la equivalencia entre el impuesto sobre el consumo y el impuesto sobre los salarios, desde el punto de vista del...

[eng] A Computable General Equilibrium Model applied to French Tax Laws : Long-term Results, . by Katheline Schubert, Pierre- Yves Letournel.. . This paper proffers a computable general equilibrium model, the purpose of which is to measure the economic impacts of modifying structure of the...

[ger] Lebenszyklus und Elastizität der Spartätigkeit der Haushalte in Reaktion auf die Zinssätze, . von Katheline Schubert.. . Der Wert der Elastizität der Spartätigkeit der Haushalte in Reaktion auf die Zinssätze ist umstritten. Den ökonometrischen Tests zufolge ist er gering oder sogar...

We address in this paper the question of the existence of a Social Welfare Function that would be sustainable and would allow us to obtain solutions to optimal growth models. We define sustainability by two new axioms called Never-decisiveness of the present and Never-decisiveness of the future....

The Kyoto Protocol, which came in force in February 2005, allows countries to resort to "supplementary activities" consisting, in particular, in the sequestration of carbon in agricultural soils. Considering the importance of its agricultural land and its weak possibilities of low-cost reduction...

We consider a model with two energy sources, a non-renewable one, cheap but polluting, and a renewable one, expensive but clean, let’s say coal and solar. The aim of environmental policy is to maintain atmospheric carbon concentration under a given ceiling, chosen to prevent an excessive rise...

This article analyzes the impact of the introduction of aquaculture on wild fish stocks and consumer utility, taking into account three key components: (1) the dependence of aquaculture on reduction fisheries for the feeding of the farmed species; (2) biological interactions between the wild...

This article analyzes the impact of aquaculture on wild fish stocks and on fish consumption, taking into account its dependence on reduction fisheries for the feeding of the farmed species and consumet preferences. The model includes the demand side and three sectors : and edible fish fishery...

This paper thoroughly studies the existence of sustainable optimal growth path, in an economy whose productive activities generate for pollution emissions. This pollution stockpiles in the ecosystem. The decrease of the environmental quality affects people by reducing their welfare. We look for...