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Report
Stock market valuation indicators: is this time different?
Record low dividend yields and record high market-to-book ratios in recent months have led many market watchers to conclude that these indicators now behave differently from how they have in the past. This paper examines the relationship between traditional market indicators and stock performance, and then addresses two popular claims that the meaning of these indicators has changed in recent years. The first is that dividend yields are permanently lower now than in the past because firms have increased their use of share repurchases as a tax-advantaged substitute for dividends. The second ...
Journal Article
Has the stock market grown more volatile?
The record number of fifty-point daily moves in the Dow Jones Industrial Average in 1996--forty-five in the first three quarters alone--has attracted considerable media attention. An analysis traces this phenomenon to two basic causes: the record level of the Dow and the return of price volatility to post-World War II norms following several years of low volatility.
Report
Split ratings and the pricing of credit risk
Despite the fact that over 50 percent of all corporate bonds have different ratings from Moody's and Standard and Poor's at issuance, most bond pricing models ignore these differences of opinion. Our work compares a number of different methods of accounting for split ratings in estimating bond pricing models. We find that pricing rules that use only the Moody's or Standard and Poor's ratings produce unbiased but highly inefficient forecasts. If models rely instead on simply the higher or lower of the two ratings (but not both), greater bias is introduced with insignificant gains in ...