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Rozprawy doktorskie na temat "Oligopoles – Environnement"
Kabré, Béné-Wendé Anicet. "Politiques environnementales et pollution dans des modèles d'oligopole bilatéral". Electronic Thesis or Diss., Paris 10, 2018. http://www.theses.fr/2018PA100138.
Pełny tekst źródłaGreenhouse gases (GHG) play a crucial role in climate regulation. Climate change, due to the accumulation of GHGs in the atmosphere, has many consequences such as extremes weather events (storms, hurricanes, cyclones, floods, heat waves, droughts), extinction of animal and plant species, the increasing prevalence in diseases related to air pollution (e.g.,health respiratory). Industrial pollution contributes to climate change. Moreover, firms which produce the same good are in constant competition and their emission levels differ according to their technology and market power. Facing these deteriorating effects of the behaviour of economic agents on the environment, it is necessary to implement public policies to alleviate GHG emissions.The objective of this thesis is threefold. On the one hand, it aims to analyze pollution in market structures where all agents behave strategically (oligopolistic competition). On the other hand, it aims to carry out comparative static exercises in order to capture the effects of parameter variations on strategic equilibria. Finally, it studies different public policies to regulate emissions related to this pollution. It should be noted here that the thesis focuses more on mitigation than adaptation to climate change.The explored domain is at the junction of environmental economics, and strategic market games
Sourisseau, Sylvain. "Recyclage vs extraction minière : concurrence, externalités environnementales et politiques publiques sur les marchés du fer et de l'acier". Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLE016.
Pełny tekst źródłaIn addition to a solution for managing end-of-life products, recycling is also an alternative to the production of virgin raw materials. In this thesis, we are therefore wondering about this new form of competition that could potentially include recyclers, on a commodity market traditionally dominated by a mining oligopoly. To what extent can recyclers compete with mining firms and what are the effects on oligopoly? As a second line of research, we consider the differential of environmental externalities that exists between the two types of supply. We therefore include in our model a recycling subsidy and a tax on mining pollution, in response to the two market distortions: the non-competitive structure of mining extraction and the externalities that are associated with this activity. To give an empirical dimension to this thesis, we use the iron and steel industry. Prior to the analysis of the competition with recyclers, we carry out in Chapter 1, an analysis of the evolution of the markets of iron and steel following the demand shock since the year 2000. The concentration of the demand from Chinese steelmakers as well as the strategy put in place by the authorities from 2010, led to a new market structure of the world iron ore market: a thwarted monopsony.By focusing on the upstream value chain, Chapter 2 sets the theoretical framework for competition between mining firms and recyclers. Through a Cournot-Stackelberg model, we show that the market share of the mining sector increases with the degree of competition in this sector. Recyclers cannot significantly increase their market share if an efficient recycling technology is not associated with a high availability of waste. This dual condition is also necessary to ensure the reduction of the mining rent. In addition, we highlight the requirement of a minimum level of recycling technology for recyclers to enter the market.Taking into account the differential of environmental externalities in Chapter 3 strengthens the need for increasing the supply of secondary materials, with regard to its positive effect on social wellfare. For this purpose, the introduction of an environmental tax on mining extraction is less relevant than a subsidy for recycling. The tax reinforces the capacity constraint for recyclers, relies on a necessary assessment of mining pollution that is difficult to achieve for certain raw materials, and there are limits on its implementation which also seem to arise. On the other hand, the introduction of a recycling subsidy would have a significant impact on recyclers' market share and the necessary reduction of extraction-related damages. As we show, the difference in effects between the two policies is even stronger when the initial level of recycling is low.Finally, by focusing on a public policy based on the demand for materials rather than on supply, Chapter 4 highlights the weak incentive of the EU-ETS to reduce CO2 emissions from steelmakers, and therefore a potential increase of the secondary input instead of the virgin one. We also show how this climate policy interferes with the EU competition policy because it mainly benefits market leaders, to the detriment of the principle of free and undistorted competition prevailing in the EU market. More surprisingly, our results indicate that the market leader is the least efficient firm in the consumption of raw materials, considering the quantity of steel produced and the CO2 emissions generated. Conversely, the firm that seems to be the most efficient would also have been least favoured when free allowances were allocated from 2007 onwards
Kabré, Béné-Wendé Anicet. "Politiques environnementales et pollution dans des modèles d'oligopole bilatéral". Thesis, Paris 10, 2018. http://www.theses.fr/2018PA100138.
Pełny tekst źródłaGreenhouse gases (GHG) play a crucial role in climate regulation. Climate change, due to the accumulation of GHGs in the atmosphere, has many consequences such as extremes weather events (storms, hurricanes, cyclones, floods, heat waves, droughts), extinction of animal and plant species, the increasing prevalence in diseases related to air pollution (e.g.,health respiratory). Industrial pollution contributes to climate change. Moreover, firms which produce the same good are in constant competition and their emission levels differ according to their technology and market power. Facing these deteriorating effects of the behaviour of economic agents on the environment, it is necessary to implement public policies to alleviate GHG emissions.The objective of this thesis is threefold. On the one hand, it aims to analyze pollution in market structures where all agents behave strategically (oligopolistic competition). On the other hand, it aims to carry out comparative static exercises in order to capture the effects of parameter variations on strategic equilibria. Finally, it studies different public policies to regulate emissions related to this pollution. It should be noted here that the thesis focuses more on mitigation than adaptation to climate change.The explored domain is at the junction of environmental economics, and strategic market games
Sourisseau, Sylvain. "Recyclage vs extraction minière : concurrence, externalités environnementales et politiques publiques sur les marchés du fer et de l'acier". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLE016/document.
Pełny tekst źródłaIn addition to a solution for managing end-of-life products, recycling is also an alternative to the production of virgin raw materials. In this thesis, we are therefore wondering about this new form of competition that could potentially include recyclers, on a commodity market traditionally dominated by a mining oligopoly. To what extent can recyclers compete with mining firms and what are the effects on oligopoly? As a second line of research, we consider the differential of environmental externalities that exists between the two types of supply. We therefore include in our model a recycling subsidy and a tax on mining pollution, in response to the two market distortions: the non-competitive structure of mining extraction and the externalities that are associated with this activity. To give an empirical dimension to this thesis, we use the iron and steel industry. Prior to the analysis of the competition with recyclers, we carry out in Chapter 1, an analysis of the evolution of the markets of iron and steel following the demand shock since the year 2000. The concentration of the demand from Chinese steelmakers as well as the strategy put in place by the authorities from 2010, led to a new market structure of the world iron ore market: a thwarted monopsony.By focusing on the upstream value chain, Chapter 2 sets the theoretical framework for competition between mining firms and recyclers. Through a Cournot-Stackelberg model, we show that the market share of the mining sector increases with the degree of competition in this sector. Recyclers cannot significantly increase their market share if an efficient recycling technology is not associated with a high availability of waste. This dual condition is also necessary to ensure the reduction of the mining rent. In addition, we highlight the requirement of a minimum level of recycling technology for recyclers to enter the market.Taking into account the differential of environmental externalities in Chapter 3 strengthens the need for increasing the supply of secondary materials, with regard to its positive effect on social wellfare. For this purpose, the introduction of an environmental tax on mining extraction is less relevant than a subsidy for recycling. The tax reinforces the capacity constraint for recyclers, relies on a necessary assessment of mining pollution that is difficult to achieve for certain raw materials, and there are limits on its implementation which also seem to arise. On the other hand, the introduction of a recycling subsidy would have a significant impact on recyclers' market share and the necessary reduction of extraction-related damages. As we show, the difference in effects between the two policies is even stronger when the initial level of recycling is low.Finally, by focusing on a public policy based on the demand for materials rather than on supply, Chapter 4 highlights the weak incentive of the EU-ETS to reduce CO2 emissions from steelmakers, and therefore a potential increase of the secondary input instead of the virgin one. We also show how this climate policy interferes with the EU competition policy because it mainly benefits market leaders, to the detriment of the principle of free and undistorted competition prevailing in the EU market. More surprisingly, our results indicate that the market leader is the least efficient firm in the consumption of raw materials, considering the quantity of steel produced and the CO$_2$ emissions generated. Conversely, the firm that seems to be the most efficient would also have been least favoured when free allowances were allocated from 2007 onwards
Książki na temat "Oligopoles – Environnement"
Lambertini, Luca. Oligopoly, the Environment and Natural Resources. Taylor & Francis Group, 2013.
Znajdź pełny tekst źródłaOligopoly, the Environment and Natural Resources. Routledge, 2013.
Znajdź pełny tekst źródłaLambertini, Luca. Oligopoly, the Environment and Natural Resources. Taylor & Francis Group, 2015.
Znajdź pełny tekst źródłaOligopoly, the Environment and Natural Resources. Taylor & Francis Group, 2013.
Znajdź pełny tekst źródła