Lundi 28 novembre 2016,  13:00 – 14:00

Maison des Sciences Économiques, Salle 115

 Maison des Sciences Économiques, 106-112 bd de l’Hôpital, 75013 Paris, Métro 5 Campo Formio, bus 57, 67, 27, 83 ou 47

Claire LELARGE
(Banque de France et CEPR)
avec J. BLAUM (Brown)
et M. PETERS (Yale)

The Gains from Input Trade in Firm Based Models of Importing

Abstract – Trade in intermediate inputs allows firms to reduce their costs of production and thus benefits consumers through lower prices of domestically produced goods. The extent to which firms participate in foreign input markets, however, varies substantially. We develop a methodology to measure how consumer prices are affected by input trade in environments that allow for such heterogeneity in import behavior. We provide a theoretical result that holds in a variety of settings: the firm-level data on value added and domestic expenditure shares in material spending is sufficient to compute changes in consumer prices. Approaches that abstract from firm level heterogeneity and rely on aggregate statistics give biased results. In an application to French data, we find that prices of manufacturing products would be 27% higher in the absence of input trade.

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Lundi 14 novembre 2016,  13:00 – 14:00

Maison des Sciences Économiques, Salle 115

 Maison des Sciences Économiques, 106-112 bd de l’Hôpital, 75013 Paris, Métro 5 Campo Formio, bus 57, 67, 27, 83 ou 47

Alessandro RIBONI
(École polytechnique, CREST)
avec A. ALESINA (Harvard)
et B. REICH (Northwestern)

Nation-Building, Nationalism and Wars

Abstract – The increase in army size observed in modern times changed the way states conducted wars. Starting in the 19th century, states switched from mercenaries to a mass army by conscription. In order for the population to submit (more or less) willingly to conscription, government elites began to provide public goods, reduced rent extraction and adopted nation-building policies.