@techreport{NBERw13157, title = "Investment Spikes: New Facts and a General Equilibrium Exploration", author = "Francois Gourio and Anil K Kashyap", institution = "National Bureau of Economic Research", type = "Working Paper", series = "Working Paper Series", number = "13157", year = "2007", month = "June", URL = "http://www.nber.org/papers/w13157", }