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Recursos bibliográficos en papel y digitales -
- libros, artículos de revistas,
ponencias de eventos, etc. -
» Resultado:
7 registros
| Registro 1 de 7 |
| Autor: |
Puliafito, Salvador - Puliafito, José Luis - Conte Grand, Mariana - |
| Título: |
Modeling population dynamics and economic growth as competing species: an application to CO2 global emissions |
| Fuente: |
Documentos de Trabajo UCEMA, n.334. Universidad del CEMA |
| Páginas: |
25 p. |
| Año: |
nov. 2006 |
| Resumen: |
Since the beginning of the last century the world is experiencing an important demographic transition, which will probably impact on economic growth. Many demographers and social scientists are trying to understand the key drivers of such transition as well as its profound implications. A correct understanding will help to predict other important trends of the world primary energy demand and the carbon emission to the atmosphere, which may be leading to an important climate change. This paper proposes a set of coupled differential equations to describe the changes of population, gross domestic product, primary energy consumption and carbon emissions, modeled as competing-species as in Lokta-Volterra prey-predator relations. The predator-prey model is well known in the biological, ecological and environmental literature and has also been applied successfully in other fields. This model proposes a new and simple conceptual explanation of the interactions and feedbacks among the principal driving forces leading to the present transition. The estimated results for the temporal evolution of world population, gross domestic product, primary energy consumption and carbon emissions are calculated from year 1850 to year 2150. The calculated scenarios are in good agreement with common world data and projections for the next 100 years. |
| Palabras clave: |
EFECTOS SOBRE EL MEDIO AMBIENTE |
LUCHA CONTRA LA CONTAMINACION |
CONTROL DE EMISION DE GASES |
DIOXIDO DE CARBONO |
CONSUMO DE ENERGIA |
CRECIMIENTO ECONOMICO |
ESTADISTICAS AMBIENTALES |
ESTUDIOS SOBRE EL MEDIO AMBIENTE |
PROYECCIONES |
MEDIO AMBIENTE |
|
| Solicitar por: |
HEMEROTECA D + datos de Fuente |
| Registro 5 de 7 |
| Autor: |
Goulder, Lawrence H. - |
| Título: |
Environmental policy making in a second-best setting |
| Fuente: |
Journal of Applied Economics. v.1, n.2. Universidad del CEMA |
| Páginas: |
pp. 279-328 |
| Año: |
Nov. 1998 |
| Resumen: |
This paper uses analytically tractable and numerically solved general equilibrium models to examine the significance of pre-existing distortions in factor markets for revenue-neutral environmental tax reforms and for various policies involving pollution quotas and permits. Results indicate that pre-existing factor taxes generally raise the costs of these environmental policies. This reflects a tax-interaction effect: the lowering of real factor returns resulting from the higher output prices occasioned by environmental taxes and other regulations. The revenue-recycling effect - stemming from the use of environmental tax revenues to finance cuts in pre-existing factor taxes - helps reduce policy costs, but under plausible assumptions does not eliminate the costs of such policies: the double dividend does not materialize. Even if it does not produce a double dividend, the revenue-recycling effect is important for reducing policy costs. Policies that fail to exploit the revenue-recycling effects suffer significant disadvantages in terms of efficiency. Like environmental taxes, freely allocated (or grandfathered) pollution quotas or permits, for example, produce a costly tax-interaction effect, yet such quotas or permits do not enjoy the offsetting revenue-recycling effect. Auctioning the permits or quotas makes possible the revenue-recycling effect and allows given pollution-abatement targets to be achieved at lower cost. The failure to exploit the revenue-recycling effect can alter the sign of overall efficiency impact. Indeed, if marginal environmental benefits from pollution reductions are below a certain threshold value, then any level of pollution abatement through freely allocated quotas or permits is efficiency-reducing. The tax-interaction effect is relevant to government regulation outside the environmental area. To the extent that regulations on international trade or agricultural production raise output prices and thereby reduce real factor returns, these regulations exacerbate the factor-market distortions from pre-existing taxes and thus involve higher social costs than would be indicated by partial equilibrium analyses. |
| Palabras clave: |
MODELO DE EQUILIBRIO GENERAL |
EFICIENCIA |
IMPUESTOS |
CONTAMINACION |
CONTROL DE EMISION DE GASES |
PROTECCION AMBIENTAL |
REGLAMENTO |
MODELOS |
LUCHA CONTRA LA CONTAMINACION |
PRINCIPIO CONTAMINADOR-PAGADOR |
COSTOS VARIABLES |
POLITICA AMBIENTAL |
DIOXIDO DE CARBONO |
ANHIDRIDO SULFUROSO | INGRESOS |
DISTRIBUCION DE LA RIQUEZA |
CONTRIBUYENTES |
EMPRESAS |
CONTAMINANTES |
COMERCIO INTERNACIONAL |
PRODUCCION AGROPECUARIA |
MERCADO DE TRABAJO |
COSTOS SOCIALES |
|
| Solicitar por: |
HEMEROTECA J + datos de Fuente |
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