in this paper the trade restrictiveness of agricultural policies in iran was measured by the triindex for the nine major agricultural products including wheat, rice, barely, maize, soybean,meat (beef meat), soybean oil, sugar and banana over the period 1981 to 2007. the main resultsindicate that there is no trend in above index and high volatility especially in 2006 and 2007years due to conside...

interest rate ad valorem tariffs are considered as the most prominent trade tools extensively used in the framework of spatial equilibrium models (sems) to analyze agricultural and food trade policies around the world. however the results obtained from such models have been criticized because of their inadequacy in producing any observed data within the base period. hence a positive spatial and...

This paper studies the effects of ad-valorem tariffs on imported cheese quality. Our starting point is a Gorman-Lancaster-style hedonic model of demand for differentiated products. We build on recent identification results for this type of models to nonparametrically estimate product quality using a panel of cheese imports. We use the quality estimates both to recover the equilibrium price func...

We extend the trade restrictiveness index approach to the case of market imperfections and domestic regulations addressing them. We focus on standard-like non-tariff measures (NTMs) affecting cost of production and potentially enhancing demand by increasing product quality or reducing negative externalities. We apply the framework to the database of Kee et al. (2009) and derive ad valorem equiv...

Within the framework of spatial tax competition with cross-border shopping, we examine the choice of tax method between ad valorem tax and unit (specific) tax. The paper shows that governments endogenously choose ad valorem tax not because of a classic welfare reason, but because it is a good strategy in competing for mobile customers. Another key finding is that while governments are committed...

Optimal tariffs and quotas are comgared for a large country under uncertainty. If the import supply schedule has constant elastjcity and is subject to multiplicative uncertainty and domestic demand is random then the optimal policy is a fixed +.d valorem tariff. If the supply schedule has constant elasticity but this elasticity is random then the optimal tariff is superior to the optimal quota....

This paper estimates policy-induced trade costs in five services sectors for 46 countries using structural gravity. Despite having tripled the last two decades, results show that remain high. The highlight potential liberalisation and can support policy modelling. • We estimate exploit new panel data from OECD Services Trade Restrictiveness Index. Data include variation over time, across tradin...

Non-tariff measures as hidden barriers to agricultural trade would not only result in production and welfare distortions due the international relocation of activities along value chain, but also yield subsequent consequences both scale distribution carbon emissions from agri-food system. This paper estimates ad valorem equivalents non-tariff using a gravity model combination with detailed bila...

Economic theory states that on market with imperfect competition, per unit consumption taxes should induce a larger increase of prices than ad valorem consumption taxes. It implies that consumers bear a larger share of the tax burden for per unit consumption taxes than for ad valorem consumption taxes. The present paper aims at testing empirically this theoretical result. It uses the French mar...

Debit cards have become an indispensable part of the U.S. payments system, accounting for more than a third of consumer payments at point of sale. With this development has come controversy: Card networks charge merchants fees that merchants believe are too high. And most of the fees are ad valorem—that is, based on transaction value—rather than fixed fees per transaction. Merchants are critica...