“Operative Mortality and Procedure Volume as Predictors of Subsequent Hospital Performance,” Annals of Surgery, 243(3):411-417, March 2006 (with John Birkmeyer and Justine Dimick).
 

“Is Technological Change in Medicine Always Worth It? The Case of Acute Myocardial Infarction,” Health Affairs, Web Exclusive, February 7, 2006 (with Jonathan Skinner and Elliott Fisher).
 

“Mortality Among Very Low Birthweight Infants in Hospitals Serving Minority Populations,” American Journal of Public Health, 95(12):2206-2212, December 2005, (with Leo S Morales, Jeffery D Horbar, Joseph Carpenter, Michael Kenny, Jeffery Geppert, and Jeannette Rogowski).
 

“Mortality After Acute Myocardial Infarction in Hospitals That Disproportionately Treat Black Patients,” Circulation, 112:2634-2641, October 25, 2005 (with Jonathan Skinner, Amitabh Chandra, Julie Lee, and Mark McClellan).
 

“Hospital-level Racial Disparities in Acute Myocardial Infarction Treatment and Outcomes,” Medical Care, 43(4):308-319, April 2005 (with Amber Barnato, Lee Lucas, David Wennberg and Amitabh Chandra).
 

“Fiscal Shenanigans, Targeted Federal Health Care Funds, and Patient Mortality,” forthcoming in Quarterly Journal of Economics, February 2005 (with Katherine Baicker).
 

“Testing a Roy Model with Productivity Spillovers: Evidence from the Treatment of Heart Attacks,” National Bureau of Economic Research working paper #10811, September 2004 (with Amitabh Chandra).
 

“Technology Adoption from Hybrid Corn to Beta Blockers”, National Bureau of Economic Research working paper #11251, March 2005 (with Jonathan Skinner).
 

“Variations in the quality of care for very low birth weight infants: Implications for policy”, Health Affairs, 23(5):88-97, September/October 2004 (with Jeffrey Horbar and Jeannette Rogowski).
 

“Indirect vs Direct Hospital Quality Indicators for Very Low-Birth-Weight Infants,” JAMA, 291(2): 202-209, January 14, 2004 (with Jeannette Rogowski, Jeffrey Horbar, Michael Kenny, Joseph Carpenter, Jeffrey Geppert).