1. Economics Department, Emory University, 1602 Fishburne Drive, Atlanta, GA 30322, and Federal Reserve Bank of Atlanta (email: )
2. Department of Finance, Neeley School of Business, Texas Christian University, Fort Worth, TX 76129 (email: )
3. Federal Reserve Bank of Atlanta, 1000 Peachtree Street NE, Atlanta, GA 30309, Emory University, and NBER (email: )