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| Registros recuperados: 12 | |
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| Vergara, Oscar. |
| The flooding situation in 2011 is similar in nature to the Great Mississippi Flood of 1993, but different in the particulars. First, the timing of the flood within the growing season is different. Second, the two floods occurred in different regions, with the 1993 flood affecting a portion of the Corn Belt and the 2011 flood affecting a region farther south. While floodwaters have inundated several million acres of cropland in 2011, yield losses from delayed planting are expected to be limited. Furthermore, the affected states from the current flood are primarily Group 2 states under the current SRA, which are provided with greater reinsurance protection by the government than the Group 1 states. |
| Tipo: Report |
Palavras-chave: Great Mississippi Flood; 1993; 2011; SRA; Crop Insurance Losses; AIR Model; Crop Production/Industries; Risk and Uncertainty; C; Q. |
| Ano: 2011 |
URL: http://purl.umn.edu/104897 |
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| Pautrel, Xavier. |
| This article demonstrates that when finite lifetime is introduced in a Lucas (1988) growth model, the environmental policy may enhance growth both in the short- and the long-run, while pollution does not influence educational activities, labor supply is not elastic and human capital does not enter the utility function. This is because finite lifetime and the appearance of newborns at each date creates a turnover of generations which disconnects the aggregate consumption growth to the interest rate. We show that the shorter is the horizon, the greater the effect of the environmental policy on growth, because the higher the “generational turnover effect”. We also demonstrate that when time is not the single production factor in education, the environmental... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Growth; Environment; Overlapping Generations; Human Capital; C; O. |
| Ano: 2008 |
URL: http://purl.umn.edu/42146 |
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| Sá,João Carlos de Moraes; Cardoso,Eduardo Garcia; Briedis,Clever; Ferreira,Ademir de Oliveira; Borszowskei,Paulo Rogério; Santos,Josiane Burkner; Massinham,Aline; Ferreira,Carla Fernanda; Siuta Júnior,Darci; Baranek,Edemar José; Piccolo,Marisa de Cássia; Pavei,Mariana; Urquiaga,Segundo. |
| In agricultural systems the N-NH4+ and N-NO3- contents is significantly affected by soil management. This study investigated the dynamics of inorganic nitrogen (N; NH4+ and NO3-) in an experimental evaluation of soil management systems (SMSs) adopted in 1988 at the experimental station of the ABC Foundation in Ponta Grossa, in the Central South region of the State of Paraná. The objective of this study was to evaluate the changes in N-NH4+ and N-NO3- flux in the surface layer of a Red Latosol arising from SMSs over a 12-month period. The experiment was arranged in a completely randomized block design in split plots, in three replications. The plots consisted of the following SMSs: 1) conventional tillage (CT); 2) minimum tillage (MT); 3) no-tillage with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: C; N conservation tillage systems no-tillage conventional tillage. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832011000500018 |
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| Pautrel, Xavier. |
| Using a time-separable utility function where leisure is introduced through the disutility of working time and is adjusted for quality, as measured by human capital to capture home production, we demonstrate that the environmental policy is harmful for growth. A tighter environmental tax reduces the incentives to educate by increasing leisure time and lowers the steady-state growth rate and lifetime welfare, whatever the source of pollution. We also demonstrate that the intertemporal elasticity of substitution in labor supply plays a crucial role in the marginal impact of the environmental tax on growth and welfare. When the positive influence of human capital is added into preferences (by explicitly modelling the home production sector), we find that the... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Leisure; Human Capital; Environmental Tax; Labor and Human Capital; C; Q56. |
| Ano: 2009 |
URL: http://purl.umn.edu/55331 |
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| Registros recuperados: 12 | |
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