Journal of Labor Economics Vol. 23, Issue 2, Pages 235-257 April 2005 HKS Authors See citation below for complete author information. Amitabh Chandra Ethel Zimmerman Wiener Professor of Public Policy, HKS; Henry and Allison McCance Professor of Business Administration, HBS Citation Bollinger, Christopher R., and Amitabh Chandra. "Iatrogenic Specification Error: A Cautionary Tale of Cleaning Data." Journal of Labor Economics 23.2 (April 2005): 235-257.