“…Following Fama and French (1993), Burmeister and Wall (1986), and Elton et al (1999), we consider four bond risk factors: (i) TERM, which is a proxy for unexpected changes in interest rates and is defined as the return of the Lehman US Government Long Bond Index minus the one-month Treasury bill rate; (ii) DEFT, which is a proxy for the default factor and is defined as the return on the Lehman US Corporate Long Bond Index minus the return of the Lehman US Government Long Bond Index; 7 (iii) HY, which captures both a term and a credit premium and is defined as the return on the Merrill 5 The CRSP database includes information on fund objectives, fund returns, total net asset values, expense ratios, fund age, fund status (dead or active), asset compositions (e.g., percentages invested in convertible bonds, stocks, and bonds), and other fund characteristics. Returns and total net assets are reported monthly.…”