@techreport{NBERr0058,
 title = "Coupon and Tax Effects on New and Seasoned Bond Yields and the Measurement of the Cost of Debt Capital",
 author = "Robert J. Shiller and Franco Modigliani",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Reprint Series",
 number = "58",
 year = "1980",
 month = "May",
 URL = "http://www.nber.org/papers/r0058",
 abstract = {},
}