@techreport{NBERw8649,
 title = "On the Invariance of the Rate of Return to Convex Adjustment Costs",
 author = "Andrew B. Abel",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "8649",
 year = "2001",
 month = "December",
 URL = "http://www.nber.org/papers/w8649",
}