Research assistants & interns

Lionel Guetta-Jeanrenaud

Research Assistant

Lionel is working at Bruegel as a Research Assistant. He studied economics at the Ecole normale supérieure de Lyon, in France. Before joining Bruegel, Lionel worked as a research assistant at the Department of Economics of Harvard University.

His Master’s thesis investigated the impact of newspaper closures on anti-government sentiment in the United States. In addition to media economics and political economy, his research interests include fiscal policy and the digital economy.

Lionel is a dual French and American citizen.

Contact information

[email protected]

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Working Paper

The effect of COVID certificates on vaccine uptake, public health, and the economy

An analysis of the incentive effects of COVID certificates on vaccine uptake, health outcomes and the economy.

By: Miquel Oliu-Barton, Bary Pradelski, Nicolas Woloszko, Lionel Guetta-Jeanrenaud, Philippe Aghion, Patrick Artus, Arnaud Fontanet, Philippe Martin and Guntram B. Wolff Topic: Digital economy and innovation Date: January 17, 2022
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Blog Post

European governance

What will be the impact of Europe’s next round of COVID-19 restrictions?

As COVID-19 cases surge, the choice of restrictions, and the details of their implementation, can have a major influence on the degree to which business is impacted.

By: J. Scott Marcus and Lionel Guetta-Jeanrenaud Topic: European governance Date: December 23, 2021
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Blog Post

European governance

Germany’s post-pandemic current account surplus

The pandemic has increased the net lending position of the German corporate sector. By incentivising private investment, policymakers could trigger a virtuous cycle of increasing wages, decreasing corporate net lending, which would eventually lead to a reduction of the economy-wide current account surplus.

By: Lionel Guetta-Jeanrenaud and Guntram B. Wolff Topic: European governance, Macroeconomic policy Date: October 21, 2021
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Blog Post

A world divided: global vaccine trade and production

COVID-19 has reinforced traditional vaccine production patterns, but the global vaccine trade has changed considerably.

By: Lionel Guetta-Jeanrenaud, Niclas Poitiers and Reinhilde Veugelers Topic: Global economy and trade Date: July 20, 2021
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Blog Post

Fair vaccine access is a goal Europe cannot afford to miss – July update

European countries must do more to tackle the vaccine uptake gap. Vaccination data should be published at the maximum granularity level so researchers and local decision-makers can monitor progress.

By: Lionel Guetta-Jeanrenaud and Mario Mariniello Topic: Macroeconomic policy Date: July 14, 2021
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Blog Post

How have the European Central Bank’s negative rates been passed on?

Negative rate cuts are not that different from ‘standard’ rate cuts. Like them, they reduce banks’ margins, but this effect does not appear to be amplified below 0%.

By: Grégory Claeys and Lionel Guetta-Jeanrenaud Topic: Macroeconomic policy Date: July 7, 2021
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Policy Contribution

Europe should not neglect its capital markets union

The European Union’s capital markets remain very underdeveloped compared to the United States. The market for equity, as measured as the size of the total market capitalisation of listed domestic firms relative to GDP, is much larger in the US and in Japan than in Europe.

By: Maria Demertzis, Marta Domínguez-Jiménez and Lionel Guetta-Jeanrenaud Topic: Banking and capital markets Date: June 7, 2021
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Blog Post

How has COVID-19 affected inflation measurement in the euro area?

COVID-19 has complicated inflation measurement. Policymakers need to take this into account and should look at alternative measures of inflation to understand what is actually happening in the economy.

By: Grégory Claeys and Lionel Guetta-Jeanrenaud Topic: Macroeconomic policy Date: March 24, 2021
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Blog Post

Inclusive growth

Fair vaccine access is a goal Europe cannot afford to miss

COVID-19 vaccination campaigns in the fastest-moving countries show signs of reinforcing inequality. European Union countries can avoid these pitfalls.

By: Lionel Guetta-Jeanrenaud and Mario Mariniello Topic: Inclusive growth, Macroeconomic policy Date: March 4, 2021
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External Publication

European Parliament

The impact of COVID-19 on the Internal Market

Study assessing the impact of the COVID-19 crisis on the European Union's Internal Market and consumer protection prepared for the European Parliament.

By: J. Scott Marcus, Niclas Poitiers, Lionel Guetta-Jeanrenaud, Monika Grzegorczyk, Sophie Buckingham, Fernando Hortal Foronda, Norman Röhner and Jacques Pelkmans Topic: European Parliament, Macroeconomic policy, Testimonies Date: March 1, 2021
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Blog Post

What do vaccination passports mean for Europe?

To the extent that vaccination against COVID-19 stops individuals infecting others, restrictions on vaccinated individuals’ rights should be lifted: fundamental freedoms should not be limited unnecessarily. Nevertheless, acceptance of vaccination passports depends on whether the vaccination allocation timeline is perceived as fair.

By: Lionel Guetta-Jeanrenaud, Mario Mariniello and Guntram B. Wolff Topic: Macroeconomic policy Date: January 20, 2021