Assessing feasibility and possible consequences of integrated energy consumption regulation requires the creation of hybrid model complexes that combine climate modeling, energy modelling and economic modeling as well as investment in the development of certain technologies and areas. These model complexes allow to build various long-term development scenarios for the world and individual regions and countries, to assess the impact of introduced policies and regulation methods on all stakeholders and on the economy and public welfare in general. The paper describes the basic approaches to modeling and also considers in detail the European set of models and the main results that it provides at the output. Taking into account this foreign experience in developing assessments of the economic consequences of climate change and decarbonization, according to the author, will be useful for Russia.
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