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Implikacje unijnej polityki klimatycznej ze szczególnym uwzględnieniem sektora elektroenergetycznego

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Szablewski A. T.
Gospodarka Narodowa. The Polish Journal of Economics
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2010
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vol. 241
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issue 7-8
85-105
EN
The European Union’s carbon policy, designed to prevent climate change, is a key determinant of the bloc’s energy policy, along with the security of energy supply and market liberalization. While the EU’s energy security agenda is beyond dispute, its carbon policy priority can be questioned in two ways, according to Szablewski. First, the soundness of the policy’s fundamentals raises some serious doubts, and second, the policy can be questioned in the context of its extensive economic implications, especially for the coal-based power sector. Considering that 95 percent of Poland’s electricity is produced from coal, the latter issue is too rarely raised in the ongoing debate on the future of Poland’s power sector, the author says. His analysis focuses on available mechanisms and means of supporting the deployment of low-carbon technologies, which, Szablewski says, are grossly uncompetitive with regard to the traditional coal and gas generation technology. The paper aims to show how low-carbon technologies can be deployed in an effective and economically efficient manner-an issue that has been hotly discussed in international research reports over the past few years. The analysis starts with sketching out the main points of the key mechanisms of supporting low-carbon technologies, i.e. picking winners and level playing field. It then focuses on two economic instruments applied in this area-carbon tax and cap and trade schemes. The conclusion is that there is a conflict between economic efficiency and political considerations.
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A sustainable bi-objective inventory model with source-based emissions and plan-based green investments under inflation and the present value of money

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DATTA T. K., DATTA S., GOSWAMI A.
Operations Research and Decisions
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2024
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vol. 34
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issue 1
91-117
EN
The paper develops a finite-horizon inventory model with source-based emissions, plan-based green investments under inflation, and the present value of money. The cap-and-trade policy is used as the carbon policy. The model is solved in a bi-objective scenario where the two objectives are maximization of the present value of net profit and minimization of the total emission. We find the Pareto optimal solutions represented by a Pareto front using the ε-constraint method. A flowchart is provided to find the non-dominated solutions. Pareto solutions for three special cases (no inflation, carbon tax, and no green investments) are also derived. In our sensitivity analyses, we observe that the carbon quota does not affect the optimal policy. It only affects the optimum profit. Our model shows that green investment is beneficial for the polluting firm and also for the environment.
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