"Unilateral tariff liberalisation by developing nations is pervasive but our understanding of it is shallow. This paper strives to partly redress this lacuna on the theory side by introducing three novel political economy mechanisms with particular emphasis is on the role of production...

June 2000 - Empirical evidence supports the hypothesis that when tariffs and export taxes are important sources of revenue for developing countries, and when those countries have narrow tax bases and high tax rates, trade liberalization will come about when the governments diversify their...

• Tariffs still matter. • Full tariff liberalisation to 2010 would generate dynamic welfare gains of $1 200 billion (at 1995 prices), equivalent to 3 per cent of World GDP in 2010, from greater efficiency and higher productivity. • Developing countries stand to gain relatively more from...