CV / Photos

Wes Anderson and Me


E1 Macro Conference

9th InsTED Workshop

Firm Dynamics V (pic)

E1 Macro Conference

8th InsTED Workshop

SICKCL Workshop II

KCL Trade & Development Workshop (2023)

SICKCL Workshop I

KCL Trade & Development Workshop (2022)

Past PhD Students:

  Elodie Andrieu (PSE)

  Meng Yu Ngov (WTO)

PhD Students:

  Nick Khaw

  Gürcan Gülersoy

  Sergio Inferrera

  Kieran Byrne


Three Teaching Award Nominations 2020-21

A professor with such an outstanding style!


Graduate Prep (UG)

Panel of Former Students

Consider a QMUL MSc




 Current Research Projects


Who Can Produce What?  Firm Capabilities and Product Entry

Supplemental Appendix       Product Space Data

(with Luca Macedoni and Vlad Tyazhelnikov)

Which firms supply which products? Modeling multi-product firms under heterogeneous markups, we recover firms costs for produced products and develop an algorithm inspired by recommender systems to predict costs for unproduced products. Lower predicted costs imply increased product adoption and identify which firms enter when export demand rises, including firms crossing broad product classifications. We use these counterfactual costs to quantify how reductions in fixed and marginal costs induce product entry and lower price indices. In a price-stabilization exercise following a cost shock, entry subsidies can cost less than subsidies to incumbents, particularly for smaller shocks when capable potential entrants remain available.


Can R&D Subsidies Spread Growth?

(with Elodie Andrieu)

Do R&D subsidies spread growth beyond recipient firms? We study France’s Crédit d’Impôt Recherche, exploiting quasi-experimental variation in subsidy access generated by the certification of R&D consultancies. IV estimates show that subsidies increase technical employment with an elasticity of .16, technical wages with an elasticity of .14 and non-technical employment with an elasticity of .09, pointing to increased demand for technical workers. This spreads along the value chain to unsubsidized firms, where employment responses for technical workers are half as large as the direct effects, spreading growth and innovation related activity.

                                           
Publications

The Comparative Advantage of Firms

(Appendix)

(with Johannes Boehm, Swati Dhingra)                  J of Political Economy (Lead Article)


Monopolistic Competition and Optimum Product Diversity Under Firm Heterogeneity
               

Awarded the Chair Jacquemin Prize                       J of Political Economy

(with Swati Dhingra)


Learning About the Prospects for Mobility:

Economic and Political Dynamics Following Fundamental Policy Reform

(with Michael Carter)                                                J of Public Economics                                       

Firm Productivity Differences from Factor Markets

(with Wenya Cheng)                                                 J of Industrial Economics



Efficiency in Large Markets with Firm Heterogeniety
               

(with Swati Dhingra)                                                 Research in Economics


Product Diversification in Indian Manufacturing
               

(with Johannes Boehm, Swati Dhingra)                   in New Developments in Global Sourcing



"Resting" Projects

Benford’s Law, Families of Distributions, and a Test Basis

                                                                                  CEP Discussion Paper No 1291

The Political Economy of Inclusive Growth

(with Michael Carter)                                                


Is Skill Dispersion a Source of Productivity and Exporting in Developing Countries?