TY - JOUR AU - Farhi,Emmanuel AU - Tirole,Jean TI - Bubbly Liquidity JF - National Bureau of Economic Research Working Paper Series VL - No. 16750 PY - 2011 Y2 - January 2011 UR - http://www.nber.org/papers/w16750 L1 - http://www.nber.org/papers/w16750.pdf N1 - Author contact info: Emmanuel Farhi Harvard University Department of Economics Littauer Center Cambridge, MA 02138 Tel: 617/496-1835 Fax: 617/495-8570 E-Mail: efarhi@harvard.edu Jean Tirole Institut d'Economie Industrielle Bureau MF529 - Bat. F 21 allees de Brienne 31000 Toulouse FRANCE Tel: 33-561-128642 E-Mail: jean.tirole@tse-fr.eu AB - This paper analyzes the possibility and the consequences of rational bubbles in a dy- namic economy where financially constrained firms demand and supply liquidity. Bub- bles are more likely to emerge, the scarcer the supply of outside liquidity and the more limited the pledgeability of corporate income; they crowd investment in (out) when liquidity is abundant (scarce). We analyze extensions with firm heterogeneity and sto- chastic bubbles. ER -