Research

Publications

Online Appenix: available here

Media Coverage: NBER Digest and Washington Post

Abstract: We analyze the impact of local immigration on natives’ preferences for ``nationalism'' as measured in parties' programs by the Manifesto Project Database in European election data between 2007 and 2016. Using a 2SLS strategy with a shift-share IV based on immigrant shares by origin in 2005 and inflows by education-origin groups, we estimate that larger inflows of highly-educated immigrants were associated with a decrease in the ``nationalistic'' vote of natives, while less-educated immigrants produced an opposite-direction shift towards nationalistic parties. The aggregate results derive from individual shifts toward nationalism in response to less-skilled immigration, and from greater participation of young voters and more pro-European attitudes in response to high-skilled immigration.

Abstract: We empirically investigate the relationship between a country’s economic complexity and the diversity in the birthplaces of its immigrants. Our cross-country analysis suggests that countries with higher birthplace diversity by one standard deviation are more economically complex by 0.1 to 0.18 standard deviations above the mean. This holds particularly for diversity among highly educated migrants and for countries at intermediate levels of economic complexity. We address endogeneity concerns by instrumenting diversity through predicted stocks from a pseudo-gravity model as well as from a standard shift-share approach. Finally, we provide evidence suggesting that birthplace diversity boosts economic complexity by increasing the diversification of the host country’s export basket. 


Abstract: This article empirically investigates whether emigrants from MENA (Middle East and North Africa) countries self-select along two cultural traits: religiosity and gender-egalitarian attitudes. Using Gallup World Poll data on individual opinions and beliefs and migration aspirations, we find that individuals who intend to emigrate to high-income countries exhibit significantly lower levels of religiosity than the rest of the population. They also share more gender-egalitarian views, although this effect holds only among the young (aged 15 to 30), among single women, and in countries with a Sunni minority. For countries most affected by the Arab Spring, the intensity of cultural selection has decreased since 2011. Still, the aggregate effects of cultural selection should not be overestimated. Self-selection along cultural traits has statistically significant but limited effects on the cultural distance between people (i.e., between migrants and natives at destination or between non-migrants in origin and destination countries). Emigration could even reverse the selection effect and lead to cultural convergence if migrants abroad transfer more progressive norms and beliefs to their home country, a mechanism that deserves more attention in future research. 

Online Appendix: available here

Abstract: This paper empirically investigates the impact of birthplace diversity on economic growth. We use panel data on US states over the 1960–2010 period. This rich data set allows us to better deal with endogeneity issues and to conduct a large set of robustness checks. Our results suggest that diversity among college-educated immigrants positively affects economic growth. We provide converging evidence pointing at the existence of skill complementarities between workers trained in different countries. These synergies result in better labor market outcomes for native workers and in higher productivity in the R&D sector. The gains from diversity are maximized when immigrants originate from economically or culturally distant countries (but not both), and when they acquired part of their secondary education abroad and their college education in the USA. Overall, a 10% increase in high-skilled diversity raises GDP per capita by about 6%. On the contrary, low-skilled diversity has insignificant effects. 


Abstract: In this paper we document the impact of immigration on political support for welfare state expansion, using national election data of twelve European countries between 2007 and 2016. We match individual information on party voting with a classification of the political agenda of 126 parties during 28 elections. We first investigate the impact of local immigration on individual voting behavior, keeping the political platform of parties fixed. We then shift focus from voters to political parties, and investigate how immigration affects the political agenda of European parties. To attenuate omitted variable and selection bias concerns, we implement an instrumental variable approach that exploits cross-regional variation of immigrant settlements in 2005, along with the skill and nationality composition of recent immigrant flows. We find that larger inflows of highly educated immigrants are associated with European citizens shifting their votes toward parties that favor expansion of the welfare state. On the other hand, inflows of less educated immigrants induce European parties to endorse platforms less favourable to social welfare.

Working Papers

1) Connectedness Abroad and the Diffusion of Cultural Traits. SSRN 3580396 (2020). Online Appendix: available hereRevise and Resubmit

2) Do you want to migrate to the United States?  Migration intentions and Cultural Traits in Latin America. DEA DP 21.01  (2021)

3) What do we teach in Macroeconomics? Evidence of a theoretical divide. LIDAM Discussion Paper 2021/23 (2021). With François Courtoy and Michel De Vroey  Invited for the HOPE 2025 Conference, Duke University, on “History of Economic Pedagogy”

4) Are Immigrants more Left Leaning than Natives? NBER WP No. w30523 (2022). With  Simone Moriconi  and Giovanni Peri. Revise and Resubmit. 

5) Populism and the Skill-content of Globalization. CEPR Discussion Paper No. 18822 (2024).  With Frédéric Docquier, Stefano Iandolo, Hillel Rapoport  and Gonzague Vannoorenberghe. Additional Material: available here

6) Digging Up Trenches: Populism, Selective Mobility  & the Political Polarization of Italian Municipalities. CEPR Discussion Paper No. 18778 (2024) With Luca Bellodi, Frédéric Docquier, Stefano Iandolo and Massimo Morelli.

7) International Immigration and Labour Regulation.  IZA DP  16929 (2024). With Adam Levai 


Works in Progress

1) Cambia, ¿todo cambia? Intergenerational Mobility, Migration and Protest in Developing Countries. With Maria Marino, Paolo Li Donni, and Xavi Ramos.

2) Immigration and Cultural Heterogeneity:  Evidence from two Decades in Europe. With Yasmine Elkhateeb and Jérôme Valette

3) Immigration and Technological Adoption: Evidence from the EU Agricultural Sector. With Annalisa Frigo and Daniele Verdini

Books

1) Migration, Politics and Culture. Presses Universitaires de Louvain (PUL) N° 818 (2020)