Optimal Indirect Tax Design for a Developing Country

Yoshitomo Ogawa and Nobuhiro Hosoe

No 18-06, GRIPS Discussion Papers from National Graduate Institute for Policy Studies

Abstract: Given that tariffs continue to serve as a primary source of government revenue in many developing countries, we analyze the optimal indirect tax problem, consisting of commodity taxes and tariffs, under a revenue constraint. This study derives the revenue-constrained optimal commodity taxes and tariffs in both a small and a large country and then examines their structure and properties. We show that the optimal commodity tax structure follows the Ramsey rule regardless of whether a country is small or large, which implies that the same optimal commodity tax rules are applied across a range of situations. We also show that the optimal tariffs are not zero, but negative, even in the small country case, which implies stronger support for the World Bank fs recommendation of tariff reductions for a country facing a revenue constraint. In addition, this study analyzes the optimal commodity taxation when tariffs cannot be fully adjusted. Numerical examples demonstrate some of our major findings and the welfare gain of the optimal taxation for a few developing countries.

Pages: 35 pages
Date: 2018-08
New Economics Papers: this item is included in nep-pbe
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