Optimal trade policy with monopolistic competition and heterogeneous firms

This paper derives optimal trade and domestic taxes for a small open economy containing a monopolistically competitive (MC) sector in which firms may have heterogeneous productivity levels. Analysis encompasses cases in which the domestic MC sector is able to expand or contract flexibly, or is const...

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Main Authors: Venables, A, Haaland, J
Format: Journal article
Published: Elsevier 2016
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author Venables, A
Haaland, J
author_facet Venables, A
Haaland, J
author_sort Venables, A
collection OXFORD
description This paper derives optimal trade and domestic taxes for a small open economy containing a monopolistically competitive (MC) sector in which firms may have heterogeneous productivity levels. Analysis encompasses cases in which the domestic MC sector is able to expand or contract flexibly, or is constrained to be of fixed size. In the former case domestic protection can bring gains by increasing the number of product varieties on offer; these gains (and the corresponding rates of domestic subsidy or of import tariffs) are reduced by heterogeneity of foreign exporters some of whom may withdraw from the market. In the latter case gains from protection arise from terms-of-trade effects; since various margins of substitution are switched off, only the relative values of domestic taxes, import tariffs and export taxes matter. In general, policies work through both a terms-of-trade and a variety effect, and the paper shows how the relative importance of each depends on the structure of the economy.
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spelling oxford-uuid:ec34f348-67a1-46d2-b9fd-73e98893b83b2022-03-27T11:15:46ZOptimal trade policy with monopolistic competition and heterogeneous firmsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ec34f348-67a1-46d2-b9fd-73e98893b83bSymplectic Elements at OxfordElsevier2016Venables, AHaaland, JThis paper derives optimal trade and domestic taxes for a small open economy containing a monopolistically competitive (MC) sector in which firms may have heterogeneous productivity levels. Analysis encompasses cases in which the domestic MC sector is able to expand or contract flexibly, or is constrained to be of fixed size. In the former case domestic protection can bring gains by increasing the number of product varieties on offer; these gains (and the corresponding rates of domestic subsidy or of import tariffs) are reduced by heterogeneity of foreign exporters some of whom may withdraw from the market. In the latter case gains from protection arise from terms-of-trade effects; since various margins of substitution are switched off, only the relative values of domestic taxes, import tariffs and export taxes matter. In general, policies work through both a terms-of-trade and a variety effect, and the paper shows how the relative importance of each depends on the structure of the economy.
spellingShingle Venables, A
Haaland, J
Optimal trade policy with monopolistic competition and heterogeneous firms
title Optimal trade policy with monopolistic competition and heterogeneous firms
title_full Optimal trade policy with monopolistic competition and heterogeneous firms
title_fullStr Optimal trade policy with monopolistic competition and heterogeneous firms
title_full_unstemmed Optimal trade policy with monopolistic competition and heterogeneous firms
title_short Optimal trade policy with monopolistic competition and heterogeneous firms
title_sort optimal trade policy with monopolistic competition and heterogeneous firms
work_keys_str_mv AT venablesa optimaltradepolicywithmonopolisticcompetitionandheterogeneousfirms
AT haalandj optimaltradepolicywithmonopolisticcompetitionandheterogeneousfirms