Research

My research interests: migration and its effects on development, growth and inequality, migration policies and their impact on migration flows and immigrant's integration in host societies.

Working Papers/ Work in Progress:

1. Selective Migration and Economic Development: A Generalized Approach (with Narcisse Cha'ngom, Christoph Deuster, Frédéric Docquier), IZA Discussion Paper No. 16222; JRC Science for Policy Brief (R&R)

2. The effect of climate policies on the spatial allocation of workers and production in Europe (with Michal Burzynski ), Part of Horizon WELAR, Deliverable 4.6

3. Digital transformation, demographic changes and labour markets Projected implications for 100 European regions (with Michal Burzynski and Ludivine Martin), H2020 Project UNTANGLED, Deliverable 6.2

Peer-reviewed publications:

11. Why do migrants stay unexpectedly? Misperceptions and implications for integration (with Marc Kaufmann and Bertrand Verheyden), Journal of Mathematical Economics, Volume 117, April 2025, 103099.

10. The Externalities of Immigration Policies on Migration Flows: The Case of an Asylum Policy (with Lucas Guichard), Journal of Economic Geography, Volume 25, Issue 1, January 2025, Pages 59–74, IZA Discussion Paper No. 16935.

9. The Within-Country Distribution of Brain Drain and Brain Gain Effects: A Case Study on Senegal (with Philippe Bocquier, Narcisse Cha'ngom, Frédéric Docquier), Journal of Demographic Economics, 2024, Volume 90, Issue 3, pages 384-411. IZA Discussion Paper No. 16497.

8. Do potential migrants internalise migrant rights in OECD host societies? , (with Michel Beine and Ilse Ruyssen), Canadian Journal of Economics, Volume 53, Issue 4, November 2020, pages 1429-1456.

7. Taking the skill bias out of global migration, (with Costanza Biavaschi, Michal Burzynski and Benjamin Elsner), Journal of Development Economics, Volume 142, January 2020, Article 102317.

LISER Working Papers n°2018-11; Media coverage: IZA Newsroom

6. Globalizing labor and the world economy: the role of human capital, (with Marco Delogu and Frédéric Docquier), Journal of Economic Growth, Volume 23, Issue 2, June 2018, pages 223–258.

5. Remigration intentions and migrant's behaviour, (with Bastien Chabé-Ferret and Jackline Wahba), Regional Science and Urban Economics, Volume 68, January 2018, pages 56-72.

4. Dealing with undocumented immigrants: the welfare effects of amnesties and deportations, Journal of Demographic Economics, Volume 83, Issue 4, December 2017, pages 445-492.

3. Income, population and migration flows in the 21st century, (with Frédéric Docquier), Italian Economic Journal, Volume 3, Issue 2, July 2017, pages 125–149 (invited lead article).

2. Global competition for attracting talents and the world economy, (with Frédéric Docquier), The World Economy (2016), Volume 39, Issue 4, April 2016, pages 530-542.

1. Efficiency gains from liberalizing labor mobility, (with Frédéric Docquier and Khalid Sekkat), The Scandinavian Journal of Economics (2015), Volume 117, Issue 2, April 2015, pages 303–346.

Current projects:

P5 - LUXTALENT (PI, with Bertrand Verheyden, Laetitia Hauret, Eric Guastalli): analyzing talent attraction and retention on the Luxembourg labour market

P4 - ELIR-LUX (with Bertrand Verheyden (PI), Frédéric Docquier and Michel Tenikue): survey of newcomer in Luxembourg

Past projects:

P3 - Welfare systems and labour market policies for economic and social resilience in Europe ( WELAR: Horizon Grant agreement No 101061388 , member of LISER team, Leader Task 4.6)

P2 - UNTANGLING THE IMPACTS OF TECHNOLOGICAL TRANSFORMATIONS, GLOBALISATION AND DEMOGRAPHIC CHANGE TO FOSTER SHARED PROSPERITY IN EUROPE. (UNTANGLED: H2020 Grant agreement No 101004776, member of LISER team)

P1 - Migration duration and socio-cultural integration (CORE Integrimm - funded by Luxembourg National Research Fund; with Bertrand Verheyden (PI), Michal Burzynski and Michel Tenikue)

Covid-19:

2. Paper: COVID-19 Crisis Management in Luxembourg: Insights from an Epidemionomic Approach (with Michal Burzynski, Frédéric Docquier, Michel Beine, Atte Aalto, Tom Haas et al.), Economics and Human Biology, July 2021.

1. Paper: How to make universal, voluntary testing for COVID-19 work? A behavioural economics perspective (with Francesco Fallucchi, Luise Görges, Arne Pieters and Marc Suhrcke), Health Policy, Volume 125, Issue 8, August 2021, Pages 972-980.

Book chapters:

- O impacto económico potencial das diásporas, em I. Vidigal e R. P. Pires (orgs.) (2024), Potencial Económico da Diáspora, Lisboa, Observatorio da Emigração, CIES-Iscte, pp: 3-16. DOI: 10.15847/CIESOMOUT012024_ (portuguese)

- Déconstruire l’idée : « Les étrangers viennent uniquement pour profiter de notre système d’aide sociale ». In: Le Forum - Bruxelles contre les inégalités (Eds.) Pauvrophobie - Petite encyclopédie des idées reçues sur la pauvreté. Les Éditions Luc Pire, 2018, pp. 77-79.

- Remittances and migration prospects for the 21st century. (with Frédéric Docquier) In: M. Boussichas and P. Guillaumont, Financing sustainable Development, Economica (2015). FERDI Working paper P133(2015)

Old versions of papers:

5. Immigrant's Integration and Duration of Stay (with Michal Burzynski)

4. Why do migrants stay unexpectedly? Misperceptions and implications for integration (with Marc Kaufmann and Bertrand Verheyden), IZA Discussion Paper 14155.

3. The Gain from the Drain (with Constanza Biavaschi, Michal Burzynski and Benjamin Elsner), IZA Discussion Paper 10275; Media coverage: IZA Newsroom (updated version published in JDE)

2. The dynamic implications of liberalizing global migration, (wih Marco Delogu and Frédéric Docquier), IRES Discussion Paper 2013-029; FERDI Working Paper P88 (updated version published in JOEG)

1. On the welfare impacts of an immigration amnesty, IRES Discussion Paper 2012-010 (updated version of the model published in JODE)

Media coverage:

- Policy Lab: Méi Fakten an der Politik, Radio 100,7 (27/3/2025)

- Firwat ass d'Migratioun esou wichteg fir d'Letzebuerger Economie, Radio 100,7 (28/10/2024)

- Europe’s unprecedented response to Ukrainian refugees faces new challenges, Vox (16/12/2022)

- Unemployment 5 months into the pandemic, Delano (31/08/2020)

- Les immigrants hautement qualifiés, un enjeu vital pour notre économie, Lëtzebuerger Gemengen (27/06/2019)

- Le Luxembourg dans la course aux talents – un défi qui n’en est pas un ?, Forum, Numéro 392 (February 2019)

- Emploi : l’attractivité du Luxembourg est-elle à remettre en cause ?, article sur le Café PSP-Débat que j'ai co-organisé, Le Quoitidien (04/10/2018)

- Chercheurs à l’école: Inspiring the next generation ofscientists, FNR Highlights (March 2018)

- La mobilité des cerveaux: envergure et impact économique, d’Lëtzebuerger Land p.13 (13/10/2017)

- The expat of the future, Delano Magazine, (10/10/2017)