993 research outputs found

    The Road to Copenhagen: What Agreement Can Actually Be Effective and Stable? by Carlo Carraro

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    KlimaverÀnderung; Umweltabkommen; Internationale Zusammenarbeit; Welt

    Incentives and Institutions. A Bottom-up Approach to Climate Policy

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    This paper comments and assesses “Fragmented Carbon Markets and Reluctant Nations: Implications for the Design of Effective Architectures”, a paper that David Victor presented at the international workshop on "Architectures for Agreement: Addressing Global Climate Change in the Post-Kyoto World", organized by Joe Aldy and Rob Stavins at the J.F. Kennedy School of Government in May 2006. By analyzing Victor’s proposals for an effective climate agreement post 2012, this paper emphasizes the contribution that game-theoretical analyses have provided to the design of climate agreements. It therefore emphasizes how incentives and institutions play a crucial role in affecting the final outcome of negotiations on climate change control, and how incentives and institutions can be modified to achieve a better control of climate change. This paper also discusses a wider policy approach that can enhance the effectiveness of measures designed to address the climate change problem.Agreements, Climate, Incentives, Negotiations, Policy

    The Economic and Financial Determinants of Carbon Prices

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    The aim of this paper is to analyze the economic and financial determinants of carbon dioxide (CO2) prices from the short and long-term perspective, in particular within the EU-wide CO2 emissions trading system (EU ETS). After reviewing present carbon markets, this paper investigates the several drivers of carbon prices from both n financial and an economic perspective. It then examines the main impacts of these drivers in the short and long term. Finally, by comparing the results of several academic and financial studies, this paper identifies the average carbon price and its standard deviation for different future time horizons.CO2 emission allowances, Emissions Trading Scheme, EU ETS, CO2 price, carbon market

    Modelling Negotiated Decision Making: a Multilateral, Multiple Issues, Non-Cooperative Bargaining Model with Uncertainty

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    The relevance of bargaining to everyday life can easily be ascertained, yet the study of any bargaining process is extremely hard, involving a multiplicity of questions and complex issues. The objective of this paper is to provide new insights on some dimensions of the bargaining process – asymmetries and uncertainties in particular – by using a non-cooperative game theory approach. We develop a computational model which simulates the process of negotiation among more than two players, who bargain over the sharing of more than one pie. Through numerically simulating several multiple issues negotiation games among multiple players, we identify the main features of players’ optimal strategies and equilibrium agreements. As in most economic situations, uncertainty crucially affects also bargaining processes. Therefore, in our analysis, we introduce uncertainty over the size of the pies to be shared and assess the impacts on players’ strategic behaviour. Our results confirm that uncertainty crucially affects players’ behaviour and modifies the likelihood of a self-enforcing agreement to emerge. The model proposed here can have several applications, in particular in the field of natural resource management, where conflicts over how to share a resource of a finite size are increasing.Bargaining, Non-Cooperative Game Theory, Simulation Models, Uncertainty

    A Stochastic Multiple Players Multi-Issues Bargaining Model for the Piave River Basin

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    The objective of this paper is to investigate the usefulness of non-cooperative bargaining theory for the analysis of negotiations on water allocation and management. We explore the impacts of different economic incentives, a stochastic environment and varying individual preferences on players’ strategies and equilibrium outcomes through numerical simulations of a multilateral, multiple issues, non-cooperative bargaining model of water allocation in the Piave River Basin, in the North East of Italy. Players negotiate in an alternating-offer manner over the sharing of water resources (quantity and quality). Exogenous uncertainty over the size of the negotiated amount of water is introduced to capture the fact that water availability is not known with certainty to negotiating players. We construct the players’ objective function with their direct input. We then test the applicability of our multiple players, multi-issues, stochastic framework to a specific water allocation problem and conduct comparative static analyses to assess sources of bargaining power. Finally, we explore the implications of different attitudes and beliefs over water availability.bargaining, non-cooperative game theory, simulation models, uncertainty

    Economic and Environmental Effectiveness of a Technology-based Climate Protocol

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    The present stalemate in climate negotiations between the US and the other Annex I countries has led policy analysts and economists to explore the possible emergence of alternative climate regimes that may be applied after 2012. This paper explores the idea of replacing international cooperation on greenhouse gas emission control with international cooperation on climate-related technological innovation and diffusion. This idea – recently proposed among others by Barrett (2001) and Benedick (2001) – is based on the insight that incentives to free ride are much smaller in the case of technological cooperation than in the case of cooperation on emission control. This paper provides a first applied game theory analysis of a technology-based climate protocol by assessing: (i) the selfenforcingness (namely, the absence of incentives to free ride) of the coalition that would form when countries negotiate on climate-related technological cooperation; (ii) the environmental effectiveness of a technology-based climate protocol. The analysis is carried out by using a model in which endogenous and induced technical change are explicitly modelled. The results of our analysis partly support Barrett’s and Benedick’s conjecture. On the one hand, a self-enforcing agreement is more likely to emerge when countries cooperate on environmental technological innovation and diffusion than when they cooperate on emission abatement. However, technological cooperation – without any commitment to emission control – may not lead to a sufficient abatement of greenhouse gas concentrations.Agreements, Climate, Incentives, Negotiations, Policy

    Parallel Climate Blocs. Incentives to cooperation in international climate negotiations

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    There are increasing signals that countries that negotiate on GHG emission control are unlikely to sign and ratify a single climate protocol, even though almost all countries have subscribed the UNFCCC convention that sets the framework of international climate cooperation. In addition to the US decision not to ratify the Kyoto Protocol, New Zealand and Australia recently led to the formation of a new alliance in which technological cooperation is the main tool to achieve GHG emission control. In the U.S., some States on the Eastern coast are negotiating to adopt emission reduction targets and to establish a permit market despite the opposition of the federal government. Cooperation on climate policy is also the objective of recent negotiations between ASEAN countries. Given this background, this paper aims at examining whether the aforementioned events are simply the noise of a political process leading to a global agreement on climate change control or are instead consistent with some basic economic incentives that are pushing countries towards the formation of two (or more) parallel climate blocs. To this aim, this paper uses a well known integrated assessment climate-economy model to evaluate the incentives to cooperation in climate negotiations for the main world countries. A game-theoretic framework is adopted to analyse a country’s incentive to belong to a climate coalition. In our setting, a given country can either join one of the existing climate coalitions or can propose a new one or can decide to free-ride on the other countries’ cooperative abatement effort. We then analyse the characteristics of the main possible outcomes and assess which outcomes are most likely to prevail in future negotiations, at least as far as economic incentives are concerned.Agreements, Climate, Incentives, Negotiations, Policy

    China and the Evolution of the Present Climate Regime

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    The recent events that followed the US decision not to comply with the Kyoto Protocol seem to drastically undermine the effectiveness of the Protocol in controlling GHG emissions. Therefore, it is important to explore whether there are economic factors and policy strategies that might help the US to modify its current policy and move back to the Kyoto-Bonn agreement. For example, can an increased participation of developing countries induce the US to effectively participate in the effort to reduce GHG emissions? Is a single emission trading market the appropriate policy framework to increase participation in the Kyoto-Bonn agreement? This paper addresses the above questions by analysing whether the participation of China in the cooperative effort to control GHG emissions can provide adequate incentives for the US to move back to the Kyoto process and eventually ratify the Kyoto Protocol. This paper analyses three different climate regimes in which China could be involved and assesses the participation incentives for the major world countries and regions in these three regimes.Agreements, Climate, Incentives, Negotiations, Policy

    Regional and sub-global climate blocs. A game-theoretic perspective on bottom-up climate regimes

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    controlling GHG emissions without the involvement of countries such as China, India, the United States, Aust rali a, and possibly other developing countries. This highlights an unambiguous weakness of the Kyoto Protocol, where the aforementioned countries either have no binding emission targets or have decided not to comply with their targets . Therefore, when discussing possible post-Kyoto scenarios, it is crucial to priori tise part icipation incentives for all countries, especially those without explicit or with insufficient abatement targets. This paper offers a bottom-up game-theoretic perspective on participation incentives. Rather than focusing on issue linkage, t ransfers or burden sharing as tools to enhance the incentives to par t icipate in a climate agreement, thi s paper aims at exploring whether a di fferent policy approach could lead more count ries to adopt ef fective climate cont rol policies. This policy approach is explicitly bottom-up, namely i t gives each country the freedom to sign agreements and deals, bilateral ly or multila terally, with other countries, without being constrained by any globa l protocol or convention. This study provides a game-theoretic assessment of this policy approach and then evaluates empirically the possible endogenous emergence of single or multi ple climate coalitions. Welfare and technological consequences of different mul tiple bloc climate regimes will be assessed and their overall environmental effectiveness will be discussed.Agreements, Climate, Incentives, Negotiations, Policy

    A Stochastic Multiple Players Multi-Issues Bargaining Model for the Piave River Basin

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    The objective of this paper is to investigate the usefulness of non-cooperative bargaining theory for the analysis of negotiations on water allocation and management. We explore the impacts of different economic incentives, a stochastic environment and varying individual preferences on players’ strategies and equilibrium outcomes through numerical simulations of a multilateral, multiple issues, non-cooperative bargaining model of water allocation in the Piave River Basin, in the North East of Italy. Players negotiate in an alternating-offer manner over the sharing of water resources (quantity and quality). Exogenous uncertainty over the size of the negotiated amount of water is introduced to capture the fact that water availability is not known with certainty to negotiating players. We construct the players’ objective function with their direct input. We then test the applicability of our multiple players, multi-issues, stochastic framework to a specific water allocation problem and conduct comparative static analyses to assess sources of bargaining power. Finally, we explore the implications of different attitudes and beliefs over water availability.Bargaining, Non-Cooperative Game Theory, Simulation Models, Uncertainty
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