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World Induced Technical Change Hybrid (WITCH) Model

World Induced Technical Change Hybrid (WITCH) Model is a software model designed to assist in the study of the socio-economic dimensions of climate change and to help policy makers understand the economic consequences of climate policies. The model that incorporates a hybrid top-down optimization structure with a detailed bottom-up energy sector input component. The model can track all of the actions which impact the level of mitigation—such as R&D expenditures, investment in carbon-free technologies and adaptation, purchases of emission permits, or expenditures for carbon taxes—and thus allows for the evaluation of the equilibrium responses stimulated by different climate policy tools.

Region: Global
Sectors and Topics: Energy Efficiency
Scale: Unspecified
Expertise Level: Specialist
Resource Type: Analysis Tools
Cost: No
Inputs Needed: Gross domestic product Population Climate policies Resource use
Outputs Provided: Gross domestic product Population growth Primary energy Electricity consumption
Languages: English
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