Matéo Moglia

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Matéo Moglia

I am a 4th-year PhD candidate at CREST and Ecole Polytechnique, advised by Pierre Boyer and Benoit Schmutz-Bloch. I am an applied microeconomist, with interests in real estate, local public finance, household location choice, and climate change.

I hold a MPhil. in Economics from ENS de Lyon. During the Summer 2025, I visited the Berlin Quantitative Spatial Group, sponsored by Gabriel Ahlfeldt. During the Spring 2026, I visited the Wharton School, sponsored by Gilles Duranton.

Join us for the 2nd CREST Urban Economics PhD Workshop, on December 10 and 11. Programme and registration link here!

I am on the 2026-2027 job market.

Job Market Paper

The Hidden Costs of Urbanization Draft soon

Why is valuable urban land redeveloped so rarely, even where rents are high and rising? I show that three constraints hinder urban redevelopment: (i) market structure (too few developers); (ii) market frictions (uncertainty regarding future sales prices, clearing costs, and construction time); and (iii): market regulation (taxes and density caps). I formalize these constraints within an option value model of parcel redevelopment, in which land is traded between landowners and oligopsonist developers. I calibrate the model on data from 550,000 parcels in the Paris metropolitan area and recover a parcel-specific fixed clearing cost net of the other wedges. Compared to a frictionless benchmark, at most 1% of the shortfall in redevelopment can be attributed to developer concentration, 67% to frictions, and 32% to taxes and density caps. Lifting the density cap raises supply by 17.7% after twenty years. A self-financing fixed-cost subsidy increases supply by 98.9%. A competitive land market raises supply by 19.3% and delivers the housing of the next twenty years 2.8 years earlier. Exploring alternative policy options, I find that a tax on underused land can make otherwise unreachable parcels available. Finally, I examine which subsidies could help local authorities to increase their share of controlled-rent housing.

Presentations: 2026 Urban Economics Association (Barcelona), Aix-Marseille School of Economics seminar, 2026 HEC PhD Conference, 2026 AFSE Annual Meeting (Nantes), 2026 Berlin Quantitative Spatial Economics Workshop, 2026 Real Estate and Urban Economics Conference (Lugano), CREST Internal seminar, Economics of Housing Policy Workshop (Rotterdam)

Working Papers

The Spatial Impacts of Population Ageing Submitted

PDF

Rich countries are ageing and will all soon lose population. This paper examines the impact of this major demographic shift on welfare and inequality by taking into account its wide spatial heterogeneity. Using administrative data on population, housing markets, and local public finance in France, I reveal a new trade-off related to population ageing: an increase in housing costs and in local tax revenues. I build and calibrate a quantitative spatial model in which households differ in terms of skill, age, and family size. I then use this model to run counterfactual experiments based on demographic forecasts. The results show small positive impacts on welfare albeit with an increase in spatial inequalities.

Presentations: AFEPOP (Marseille), CREST, RIEF (Marseille), Doctorissimies (PSE), EEA (Bordeaux), CEP (Berlin)
Age-Specific Response to Climate Change Draft soon

With Brice Berland

Soon.

Presentations (incl. by co-author*): AFEPOP* (Strasbourg), HEC, CREST*

Teaching

Introduction to Economics (Engineer)

Teaching Assistant · Ecole Polytechnique

Spring 2026
Introduction to R and Stata (Master)

Teaching Assistant · Ecole Polytechnique

Fall 2025
Introduction to Economics (Bachelor)

Teaching Assistant · Ecole Polytechnique

Spring 2024–2025
Quantitative Methods for Social Science (Master)

Instructor · Ecole Normale Supérieure de Lyon

Spring 2023

References

Gabriel Ahlfeldt
Professor of Economics, Humboldt University

Pierre Boyer
Professor of Economics, CREST & Ecole Polytechnique

Gilles Duranton
Professor of Economics, The Wharton School (University of Pennsylvania)

Benoit Schmutz-Bloch
Professor of Economics, CREST & Ecole Polytechnique

Miscellaneous

Data replicator
The Journal of Political Economy, The Economic Journal, the Econometrics Journal

Other activities

Organiser: CREST PhD Urban and Spatial Workshop (2025, 2026), Economics Days @ ENS de Lyon (2023)
ENS de Lyon then CREST student representative (since 2019)

Personal
Outside research I enjoy listening to funk and jazz music, and playing the bass.