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A CGE Analysis of the Economic Impact of Output-Specific Carbon Tax on the Malaysian Economy

Jaafar, Abdul Hamid and Al-Amin, Abul Quasem and Siwar, Chamhuri (2008): A CGE Analysis of the Economic Impact of Output-Specific Carbon Tax on the Malaysian Economy.

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Abstract

Environmental pollution is an emerging issue in many developing countries and its mitigation is increasingly being integrated into national development policies. One approach to mitigate the problem is by implement pollution control policies in the form of pollution tax or clean technology incentives. Empirical studies for developed countries reveal that imposition of an carbon tax would decrease CO2 emissions significantly and do not dramatically reduce economic growth. However, the same result may not apply for small-open developing countries such as Malaysia. The objective of this study is to quantify the impact of pollution tax on the Malaysian economy under the backdrop of trade liberalization. To examine the economic impact and effectiveness of carbon tax, a single-country, static Computable General Equilibrium model for Malaysia is constructed. The model is extended to incorporate output-specific carbon tax elements. Three simulations were carried out using a Malaysian 2000 Social Accounting Matrix. The first simulation examines the impact of halving the baseline tariff and export duty while the second solely focused on the impact of output-specific carbon tax. The third simulation combines both former scenarios. The model results indicate that the Malaysian economy is not sensitive to further liberalization. The reason could be attributed to the fact that Malaysian export duty is already low. Additionally, simulation results also indicate that while imposition of carbon tax reduces carbon emission, it also results in lower GDP and trade.

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