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Spatial Disparities in Hospital Performances

Gobillon, Laurent; Milcent, Carine - C.E.P.R. Discussion Papers - 2010

Spatial disparities in mortality can result from spatial differences in patient characteristics, treatments, hospital characteristics, and local healthcare market structure. To distinguish between these explanatory factors, we estimate a fexible duration model on stays in hospital for a heart...

Persistent link: https://www.econbiz.de/10008530378

Regional Policy Evaluation: Interactive Fixed Effects and Synthetic Controls

Gobillon, Laurent; Magnac, Thierry - C.E.P.R. Discussion Papers - 2014

In this paper, we investigate the use of interactive effect or linear factor models in regional policy evaluation. We contrast treatment effect estimates obtained by Bai (2009)'s least squares method with the popular difference in differences estimates as well as with estimates obtained using...

Persistent link: https://www.econbiz.de/10011084679

The Costs of Agglomeration: Land Prices in French Cities

Combes, Pierre-Philippe; Duranton, Gilles; Gobillon, Laurent - C.E.P.R. Discussion Papers - 2012

We develop a new methodology to estimate the elasticity of urban costs with respect to city population using French land price data. Our preferred estimate, which handles a number of estimation concerns, stands at 0.041. Our approach also yields a number of intermediate outputs of independent...

Persistent link: https://www.econbiz.de/10011083617

The productivity advantages of large cities: Distinguishing agglomeration from firm selection

Combes, Pierre-Philippe; Duranton, Gilles; Gobillon, Laurent - C.E.P.R. Discussion Papers - 2009

Firms are more productive on average in larger cities. Two explanations have been offered: agglomeration economies … selection model and a standard model of agglomeration. Stronger selection in larger cities left-truncates the productivity … distribution whereas stronger agglomeration right-shifts and dilates the distribution. We assess the relative importance of …

Persistent link: https://www.econbiz.de/10005791878