K E Y W O R D SBrexit, European Union, international trade, manufacturing, partial equilibrium model
| INTRODUCTIONWhen the UK leaves the EU, trade arrangements between the UK and EU will change, but the form of the new arrangements was still far from clear even towards the end of 2018. Several options were under discussion, ranging from the UK having some form of customs union with the EU and retaining membership of the Single Market, to the UK trading on WTO terms with the EU. Each of these options entails increased trade barriers. Higher barriers will inevitably reduce trade and also have effects on output and prices. To the extent that the UK manages to sign new free trade agreements with third countries, some of these effects may be mitigated.The effects of Brexit will vary across industries and sectors. The importance of the EU either as a destination market for UK producers or as a supplier in the UK market differs between industries; as do the level of tariff and non-tariff barriers. The aim of this paper is to contribute to the existing empirical literature on the impact of Brexit through the use of a multi-market partial equilibrium (PE) model applied to UK manufacturing industries and sectors.Most of the existing formal empirical work is based on the application either of computable general equilibrium (CGE) The advantage of a PE model is that it enables the effects of policy to be modelled at a much finer level of sectoral disaggregation than is possible within a CGE framework; with much more up-to-date trade data. For example, the UK Government's internal cross-Whitehall model uses a Global Trade Analysis Project (GTAP) dataset with up to 57 sectors, within which (in the limited results which have been released) there appear to be nine manufacturing sectors. In contrast, we have 122 manufacturing industries, based on the 4-digit classes of ISIC Revision 4, and the data are based on 2016 trade flows. This greater level of disaggregation matters in several respects.First, and most obviously, it allows for a much more detailed examination of the possible impacts on prices, output and trade in specific industries. We can model more accurately the 1 The report by Tetlow and Stojanovic (2018) provides a summary of the recent 14 studies on the long-term impact of Brexit, and highlights the differences in the assumptions used in economic models that drive the large variation in the respective predictions of the long-term impact.Most of the existing empirical literature concludes that Brexit, by making trade between UK and the EU more costly, will have negative economic consequences for the UK economy. Different the value of UK's goods exports stood at £302 billion, increasing from £289 billion in 2015. Imports of goods were worth £437 billion, up from £407 billion in 2015. 4 Statement by President Donald Tusk (7 March 2018) on draft guidelines on the framework for the future relationship with the UK explicitly named trade agreement between the UK and the EU covering all sectors and with zero tariffs on good...