Inga Heiland, Karen-Helene Ulltveit-Moe, 17 May 2020

As almost 80% of trade is carried by sea, it is evident that disruptions to sea transport can damage trade flows and disrupt supply chains. COVID-19 containment policies have hit sea transport severely. Many key ports have imposed restrictions on vessels and crew, including prohibitions that have stopped crew changes. Satellite data for ships show that sailings to destinations with crew-change restrictions are down by almost 20% for container ships compared to previous years. More flexible regulations based on screening and discretion are needed to ensure the continuity of freight distribution in order to secure that supply chains do not get a double hit.

Simon Evenett, 13 May 2020

Taken from CEPR / LSE IGA / SPP webinar on: Covid-19: Keeping Trade Routes Open. 30 April 2020.

How long will the current Covid-led liberalisation of trade regimes towards medical products last and are their ways of encouraging countries to maintain them? Simon Evenett (University of St. Gallen and CEPR)

Swati Dhingra, 13 May 2020

Taken from a CEPR / LSE IGA / SPP webinar on: Covid-19: Keeping Trade Routes Open. 30 April 2020 Although there is likely to be some move towards protectionism and domestic policies in trade, some sectors, such as services and digital an data flows are still very much very much multi-national affairs.

Chang Ma, John Rogers, Sili Zhou, 13 May 2020

Forecasting the progress and impact of COVID-19 is central to the planning of policymakers around the world. This column provides a historical perspective by examining the immediate and bounce-back effects from six post-war disease shocks. GDP growth contractions are immediate and sizeable, but vary across countries. Despite an immediate ‘bounce back’, GDP tends to remain below its pre-shock level for several years. The negative effect on GDP is felt less in countries with larger first-year responses in government spending, especially on health care, and the indirect effects on GDP growth from affected trading partners are also important.

Bernard Hoekman, Douglas Nelson, 08 May 2020

Prior to the re-emergence of tariff nationalism as espoused by the Trump administration, subsidies were becoming a central source of trade tensions between major economies. The prospect of trade conflicts associated with the use of such instruments to combat climate change was increasing. Policy responses to the COVID-19 pandemic have led to a massive increase in subsidisation of firms in many countries. This column argues for a revisit of current approaches to addressing subsidy conflicts. The need for cooperation between the major economies to manage the international competitive spillovers of subsidies was evident pre-COVID-19. It has now become much more urgent.

Simon Evenett, 30 April 2020

Simon Evenett is co-editor of and contributor to the new Vox book COVID-19 and Trade Policy: Why Turning Inward Won't Work. Can individual countries be persuaded that if global trade standards work for them during the pandemic then there is no need to revert back to national regulations?

Richard Baldwin, 29 April 2020

The key items for overcoming Covid-19, such as PPE, vaccines and antibody tests, are all the product of 'global factories'.  Richard Baldwin explains that the notion that export bans could result in more being available just doesn't make sense.

Richard Baldwin, Simon Evenett, 29 April 2020

Incomes and trade are collapsing worldwide. Many nations have imposed export restrictions on medical supplies and food, raising the spectre of across-the-broad protectionism. This column introduces a new eBook that asks: Should governments turn inward? The answer is “No”. Turning inwards won’t help tackle the health crisis, it will harm many (especially in developing nations), and it will hinder the collaborative spirit that the human race will need to defeat this disease. Trade isn’t part of the problem – it’s an essential part of the solution.

Alejandro Cuñat, Robert Zymek, 17 February 2020

Most countries exhibit large variation in bilateral trade balances across their trade partners. This column argues that it is possible to use gravity trade models to describe the sources of this variation with greater clarity, but that a large portion of the variation still remains poorly understood. It also shows that tariffs imposed during the US-China trade war will reduce the US-China trade deficit in the long run, but only by worsening the US trade balance with other trade partners almost one-for-one.

Gunes Gokmen, Wessel Vermeulen, Pierre-Louis Vézina, 01 February 2020

Throughout history, empires have facilitated trade within their territories by building and securing trade and migration routes, and by imposing common norms, languages, religions, and legal systems, all of which led to the accumulation of imperial capital. This column, based on novel data on the rise and fall of empires over the last 5,000 years, shows that imperial capital has a positive effect on current trade beyond historical legacies such as sharing a language or a religion. This suggests a persistent and previously unexplored influence of long-gone empires on current trade.

Cristina Constantinescu, Michele Ruta, Aaditya Mattoo, 23 December 2019

Francis Kramarz, Julien Martin, Isabelle Mejean, 11 December 2019

Economists continue to disagree about whether international trade exacerbates or diminishes volatility. This column presents firm-level evidence from French exporters and their European trading partners over 15 years to show that firm-level volatility increases individual-level and aggregate-level volatility. High concentration among buyers as well as suppliers can amplify these shocks.

Natasha Agarwal, Magnus Lodefalk, Majken Stenberg, Aili Tang, Sofia Tano, Zheng Wang, 11 December 2019

Export credit guarantees turned 100 this year, yet they have been sparsely studied. This column examines the causal effects of export credit guarantees on firm performance. It concludes by considering whether the provision of guarantees should be rebalanced in favour of small and medium-sized enterprises and by calling for governments to urgently integrate all major countries into a regulated system for export credit guarantees.

Andrea Ariu, Katariina Nilsson Hakkala , J. Bradford Jensen, Saara Tamminen, 22 November 2019

Global trade in services increased six-fold between 1990-2017, representing a threat for workers but a growth opportunity for firms that source these services at lowest cost. This column examines the changes in employment composition and performance of Finnish service importers. Firms that increased imports of service inputs reduced employment of low-skill service workers but increased employment of managers. They also improved their sales, assets, and service exports, and were more likely to survive.

Céline Carrère, Anja Grujovic, Frédéric Robert-Nicoud, 13 November 2019

Unemployment is absent from most quantitative trade models in the academic literature. Using a trade model that also includes unemployment and data between 2001 and 2008, this column shows that repealing NAFTA and the imposition of 20% bilateral tariffs between the US and Mexico in all sectors would reduce welfare by 0.31% in the US and by 6.6% in Mexico. An US increase of trade barriers on motor vehicles against imports from all countries bar Mexico and Canada would lead to a decrease in long-run welfare and employment in both Mexico and the US as well as in major car-producing countries. 

Eric Golson, 11 November 2019

Neutrality has long been viewed as impartiality in war. This column, part of the Vox debate on World War II, asserts that neutral states in the war were realist in approaching their defence to ensure their survival. Neutrals such as Portugal, Spain, Sweden, and Switzerland maintained independence by offering economic concessions to the belligerents to make up for their relative military weakness. Economic concessions took the form of merchandise trade, services, labour, and capital flows. Depending on their position and the changing fortunes of war, neutral countries could also extract concessions from the belligerents, if their situation permitted.

Caroline Freund, Alen Mulabdic, Michele Ruta, 28 October 2019

The conventional wisdom is that 3D printing will shorten supply chains and reduce world trade. This column examines the trade effects of the shift to 3D printing in the production of hearing aids. It shows that adopting the new technology in production increased trade by roughly 60% as production costs came down. An analysis of 35 other products that are increasingly produced using 3D printing also finds positive effects but suggests that product characteristics such as bulkiness can affect the relationship between 3D printing and trade. 

Jayant Menon, 27 September 2019

The impact of a simple 25% trade tariff can go far beyond the costs of directly impacted goods. This column shows that seemingly small tariffs can substantially disrupt global value chains, both through the difference between nominal and effective tariff rates and the relative costs of relocation and transhipment, and also because of how the trade dispute is being perceived. If it is seen as a symptom of an enduring geopolitical struggle for global economic dominance, then it could recur. 

Daniel Gros, 09 September 2019

Traditional analysis of tariffs in a partial equilibrium setting can tell us much about the welfare consequences of the US-China trade war. The column argues that, as tariffs ratchet up, welfare costs for both sides increase disproportionately. The cost of trade diversion in the US to less-efficient suppliers likely overwhelms any terms-of-trade gain the US might enjoy. In all cases, exporters in the rest of the world benefit.

Matthias Flückiger, Erik Hornung, Mario Larch, Markus Ludwig, Allard Mees, 28 August 2019

Against the backdrop of megaprojects such as the TEN-T Core Network or the Belt and Road initiative, assessing the role of transport infrastructure in fostering economic integration has gained renewed interest. While there is clear evidence that reducing transport costs increases economic integration in the short run, this column emphasises that we should be aware of the profound and lasting effects that past infrastructure investments have on economic and cultural integration.

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