Department of Economics
École polytechnique
91128 – Palaiseau Cedex
France
https://www.researchgate.net/profile/Jean_Ponssard
Professor of Economics – École polytechnique, Emeritus Senior Research Fellow – CREST, Research Fellow – Institut Louis Bachelier, Associate Research Fellow – CIRANO & CESifo
Department of Economics
École polytechnique
91128 – Palaiseau Cedex
France
https://www.researchgate.net/profile/Jean_Ponssard