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Registros recuperados: 6
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2C or Not 2C? AgEcon
Guivarch, Celine; Hallegatte, Stephane.
Political attention has increasingly focused on limiting warming to 2°C. However, to date the only mitigation commitments accompanying this target are the so-called Copenhagen pledges, and these pledges appear to be inconsistent with the 2°C objective. Diverging opinions on whether this inconsistency can or should be resolved have been expressed. This paper clarifies the alternative assumptions underlying these diverging view points and explicits their implications. It first gives simple visualizations of the challenge posed by the 2°C target. It then proposes a “decision tree”, linking different beliefs on climate change, the achievability of different policies, and current international policy dynamics to various options to move forward on climate change.
Tipo: Working Paper Palavras-chave: Feasibility of 2°C Target; Climate Change Negotiations; Environmental Economics and Policy; Q5; Q58.
Ano: 2011 URL: http://purl.umn.edu/120019
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Assessing the Consequences of Natural Disasters on Production Networks: A Disaggregated Approach AgEcon
Henriet, Fanny; Hallegatte, Stephane.
This article proposes a framework to investigate the consequences of natural disasters. This framework is based on the disaggregation of Input-Output tables at the business level, through the representation of the regional economy as a network of production units. This framework accounts for (i) limits in business production capacity; (ii) forward propagations through input shortages; and (iii) backward propagations through decreases in demand. Adaptive behaviors are included, with the possibility for businesses to replace failed suppliers, entailing changes in the network structure. This framework suggests that disaster costs depend on the heterogeneity of losses and on the structure of the affected economic network. The model reproduces economic...
Tipo: Working or Discussion Paper Palavras-chave: Natural disasters; Economic impacts; Economic Network; Production Economics; D20; Q54; R15.
Ano: 2008 URL: http://purl.umn.edu/46657
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Climate Change Adaptation, Development, and International Financial Support: Lessons from EU Pre-Accession and Solidarity Funds AgEcon
Przyluski, Valentin; Hallegatte, Stephane.
Funding adaptation requires adequate governance and there are different ways to organise and channel the funds to where it is most efficient and most necessary. This paper investigates this issue and studies the practical implementation of a development under conditionality, namely adaptation-development, and its requirement in terms of financing architecture. To contribute to this research, it looks at similar problems that have been met in the past, namely the European funding programs for Eastern Europe countries that were candidates to adhesion, and European internal structural and cohesion funds. These funding examples provide a pertinent analogy for the adaptation problem, and most issues in adaptation finance have also been met in these funds...
Tipo: Working or Discussion Paper Palavras-chave: Economic Development; Climate Change Adaptation; Foreign Aid; European Union; Pre-acccession and Solidarity Funds; Environmental Economics and Policy; E61; F35; O19; O2; Q54; Q56.
Ano: 2010 URL: http://purl.umn.edu/98095
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Compact or Spread-Out Cities: Urban Planning, Taxation, and the Vulnerability to Transportation Shocks AgEcon
Gusdorf, Francois; Hallegatte, Stephane.
This paper shows that cities made more compact by transportation taxation are more robust than spread-out cities to shocks in transportation costs. Such a shock, indeed, entails negative transition effects that are caused by housing infrastructure inertia and are magnified in low-density cities. Distortions due to a transportation tax, however, have in absence of shock detrimental consequences that need to be accounted for. The range of beneficial tax levels can, therefore, be identified as a function of the possible magnitude of future shocks in transportation costs. These taxation levels, which can reach significant values, reduce city vulnerability and prevent lock-ins in under-optimal situations.
Tipo: Working or Discussion Paper Palavras-chave: Community/Rural/Urban Development.
Ano: 2007 URL: http://purl.umn.edu/10273
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Endogenous Business Cycles and the Economic Response to Exogenous Shocks AgEcon
Hallegatte, Stephane; Ghil, Michael.
In this paper, we investigate the macroeconomic response to exogenous shocks, namely natural disasters and stochastic productivity shocks. To do so, we make use of an endogenous business cycle model in which cyclical behavior arises from the investment–profit instability; the amplitude of this instability is constrained by the increase in labor costs and the inertia of production capacity and thus results in a finite-amplitude business cycle. This model is found to exhibit a larger response to natural disasters during expansions than during recessions, because the exogenous shock amplifies pre-existing disequilibria when occurring during expansions, while the existence of unused resources during recessions allows for damping the shock. Our model also shows...
Tipo: Working or Discussion Paper Palavras-chave: Community/Rural/Urban Development.
Ano: 2007 URL: http://purl.umn.edu/10275
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Think Again: Higher Elasticity of Substitution Increases Economic Resilience AgEcon
Dumas, Patrice; Hallegatte, Stephane.
This paper shows that, counter-intuitively, a higher elasticity of substitution in model production function can lead to reduced economic resilience and larger vulnerability to shocks in production factor prices. This result is due to the fact that assuming a higher elasticity of substitution requires a recalibration of the production function parameters to keep the model initial state unchanged. This result has consequences for economic analysis, e.g., on the economic vulnerability to climate change.
Tipo: Working or Discussion Paper Palavras-chave: Substitution; Calibration; Constant Elasticity of Substitution; Shock; Risk and Uncertainty; D24; E17; E23.
Ano: 2009 URL: http://purl.umn.edu/54283
Registros recuperados: 6
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