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Climate policy arrangements of partial regional coverage, as they seem to emerge from the UNFCCC process, might lead to carbon leakage and hence a broad literature has developed to quantify leakage. Most of these analyses, however, are confined to consider emissions from fuel combustion only. Yet, some of the most relevant simultaneously energy intensive and internationally trade exposed sectors are also subject to substantial emissions from industrial processes. Carbon dioxide emissions can be released in industrial processes which physically or chemically transform materials. In the steel and cement sectors, for example, these process emissions amount to about half of sector carbon dioxide emissions in many countries. We incorporate industrial process emissions based on UNFCCC data into a multi-sectoral multi-regional computable general equilibrium model and analyze the implications of a …