Economists and policy makers refer to carbon tax as an efficient instrument to control CO2 emissions, but concerns about possible negative effects of its implementation, as for instance the loss of competitiveness on the international market, have been expressed. In the present chapter the IO model is used to estimate the short-term effects of a carbon tax in Italy (the results can be easily extended to the case of a permission trading scheme), which include the percentage increase in prices and the increase in the imports of commodities to substitute domestically produced ones as intermediate input. The present study is not "behavioral", in the sense that the change in the consumers' behavior and choice, induced by higher prices, is not taken into account. The results of the stud y show that a carbon tax of 20 €/t CO2 in Italy would produce a modest increase in prices and a small reduction in the emitted CO2 determined by the substitution of domestically produced intermediate inputs with imported ones. Moreover, du e to the assumption underlying the applied model, the results have to be considered as an upper bound estimation or pessimistic forecast as well as restricted to a short-run time horizon, which means before any technological adjustments are possible.

Carbon tax and its short-term effects in Italy. An evaluation through the Input-Output model

TASSIELLI, GIUSEPPE;NOTARNICOLA, Bruno
2009

Abstract

Economists and policy makers refer to carbon tax as an efficient instrument to control CO2 emissions, but concerns about possible negative effects of its implementation, as for instance the loss of competitiveness on the international market, have been expressed. In the present chapter the IO model is used to estimate the short-term effects of a carbon tax in Italy (the results can be easily extended to the case of a permission trading scheme), which include the percentage increase in prices and the increase in the imports of commodities to substitute domestically produced ones as intermediate input. The present study is not "behavioral", in the sense that the change in the consumers' behavior and choice, induced by higher prices, is not taken into account. The results of the stud y show that a carbon tax of 20 €/t CO2 in Italy would produce a modest increase in prices and a small reduction in the emitted CO2 determined by the substitution of domestically produced intermediate inputs with imported ones. Moreover, du e to the assumption underlying the applied model, the results have to be considered as an upper bound estimation or pessimistic forecast as well as restricted to a short-run time horizon, which means before any technological adjustments are possible.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11586/20848
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