Calendrier du 30 mai 2018
Development Economics Seminar
Du 30/05/2018 de 16:30 à 18:00
salle R2-01, campus Jourdan, 48 boulevard Jourdan 75014 Paris
ALLEN T. (Dartmouth College)
The Geography of Path Dependence.
écrit avec Dave Donaldson (MIT).
How much of the distribution of economic activity today is determined by history rather than by geographic fundamentals? And if history matters, does it matter much? We develop an empirical framework that enables answers to these questions. Our model combines a workhorse model of trade subject to geographic frictions with an overlapping generations model of labor mobility also subject to spatial fractions. Both production and consumption potentially exhibit local agglomeration and congestion externalities. We derive parameter conditions, for arbitrary static and dynamic geographic scenarios, under which equilibrium transition paths are unique and yet steady states may nevertheless be non-unique — that is, where initial conditions (“history”) determine long-run steady-state outcomes (“path dependence”). We then estimate the model’s parameters (which govern the strength of agglomeration externalities and trade and migration frictions), by focusing on moment conditions that are robust to potential equilibrium multiplicity, using spatial variation across US counties from 1800 to the present. At these parameter estimates our simulations — based on randomly reassigning the geographical incidence of various shocks among members of similar regional clusters — imply the the long arm of history has only small consequences for the distortions caused by spatial path dependence.
Economic History Seminar
Du 30/05/2018 de 12:30 à 14:00
Salle R2-01, Campus Jourdan, 48 boulevard Jourdan, 75014 Paris
PIKETTY Thomas (EHESS-PSE)
Inégalité et conflit politico-idéologique. France, Royaume-Uni, Etats-Unis 1948-2017
Le séminaire sera donné en français et s'appuiera sur une recherche disponible en ligne à l'adresse http://piketty.pse.ens.fr/conflict
Paris Migration Seminar
Du 30/05/2018 de 09:00 à 19:00
CEPII, Room 5.107 , 113 rue de Grenelle 75007 Paris
écrit avec Organizers : Gianluca Orefice (CEPII) and Hillel Rapoport (PSE and CEPII)