The Supply-Side Effects and Incidence of Investment Stimulus Policies - with Paul-Emmanuel Chouc
Best paper award, Oxford CBT doctoral conference 2026
🎙️ Media coverage: Interview at France Culture (in French)
👉 Slides
👉 draft coming soon
Presentations : CREST PhD Seminar; IRLE Visiting Scholars Seminar (by Paul-Emmanuel), CREST-INSEE workshop; UC Berkeley Public Economics seminar (by Paul-Emmanuel); LSE Public Economics seminar; CREST internal seminar; HEC PhD conference 2026; Ifo Public Economics seminar, MannheimTaxation Conference (by Paul-Emmanuel), EUTax/ITO seminar; Oxford CBT doctoral conference; Bank of Italy/CEPR/EIEF/World Bank Conference Firm Dynamics, Investment and Aggregate Growth
Forthcoming: Collège de France Brown Bag Seminar of Innovation Economics, CEPR/European Commission CompNet Annual Conference:
Abstract: Investment tax incentives are common and ambitious policies, yet we know surprisingly little about their consequences for the prices of the capital goods they subsidize. We study these consequences in the case of a temporary investment tax incentive in France, which mechanically reduced the user cost of capital by 13% between 2015 and 2017. Using firm and product-level data on production and prices, we show that the policy raised the pre-tax price of eligible capital goods by 2.6% on average. We draw three implications for the effectiveness and the incidence of investment tax incentives. First, measuring investment responses in value terms may overstate physical capital expansion, by a third in our context. Second, the price effects that mediate the policy are context-dependent, which questions the external validity of any given estimate: we find them concentrated in less competitive and in capacity-constrained product categories, and absent elsewhere. Third, capital producers captured at least 30% of the benefits of this investment tax incentive.
Domestic price of capital suppliers with above (red) or below (blue) median Sales/Variables costs ratio
The Aggregate Consequences of Local Capital Taxation - with Antonin Bergeaud, Clément Malgouyres and Jean-Félix Brouillette
Revise and Resubmit at American Economic Review
Abstract: We study the repeal of France's Taxe Professionnelle, a large and spatially dispersed local capital tax whose rates were set by nearly 35,000 municipalities. Combining administrative data with a dynamic spatial general equilibrium model disciplined by reduced-form estimates of firms' investment responses, we find that the reform raises real income per worker by 5.1% in the long run and worker welfare by 2.6% in consumption-equivalent terms, accounting for transition dynamics. Counterfactuals isolating the level and spatial dispersion of taxes reveal that reducing the level, which triggers capital deepening, drives the bulk of income gains. Removing spatial dispersion alone reduces income per worker but raises welfare, as spatial frictions and compensating differentials redirect activity from productive locations toward high-amenity destinations.
Presentations: CREST Internal Seminar, DARES Internal Seminar, Evaluation Committee for the 2019–2021 Unemployment Insurance Reform.
Abstract: This paper studies the introduction in 2022 in seven French industries of a type of experience rating mechanism for unemployment insurance (UI) contributions. This mechanism was specific to the US before this reform. Under the French scheme, the firms' new UI contribution rate is an increasing function of their former separation rate, defined as the ratio of separations (end of labor contracts) to employment. Firms whose separation rate is above the industry median face a surtax compared to the pre-reform UI contribution rate, while the others face a reduced rate. Using a difference-in-difference method within treated industries, the results show that firms decrease significantly both their hiring and separation rates, with effects varying notably by firm size. Only the first year after the introduction of the scheme is studied in this paper, results should therefore be considered as valid only in the short run. Results show no significant effect on employment. Consistent with these findings, firms increase the average duration of their employment contracts.
Separation rate.
Policy work
Réindustrialisation et prélèvements obligatoires en France - with Laurent Bach, Étienne Fize, Arthur Guillouzouic, Clément Malgouyres, Rachel Paya
Quelle évolution de la durée des contrats après la mise en place de la modulation du taux de contribution à l’Assurance chômage ? - with Alexandre Cazenave-Lacroutz
🎙️ Media coverage: Les Echos, Libération, Le Figaro, Capital, AEF info