Estimating Ricardian Models With Panel Data
---- Acknowledgements -----
We are grateful to William Nordhaus for comments on an earlier draft of this paper. Emanuele Massetti gratefully acknowledges financial support from the EU sponsored PASHMINA project and by the research project D.1 - 2010, Metodi e modelli matematici per le decisioni nelle scienze sociali, Catholic University of Milan. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.