TY - JOUR AU - Barro,Jason AU - Beaulieu,Nancy TI - Selection and Improvement: Physician Responses to Financial Incentives JF - National Bureau of Economic Research Working Paper Series VL - No. 10017 PY - 2003 Y2 - October 2003 UR - http://www.nber.org/papers/w10017 L1 - http://www.nber.org/papers/w10017.pdf N1 - Author contact info: Jason Barro 280 Beacon St . #54 Boston, MA 02116 Tel: 617/267-4139 Fax: 617/496-7167 E-Mail: jason.barro@post.harvard.edu Nancy Beaulieu 22A Chandler Road Boxford, MA 01921 Tel: 978-352-8048 E-Mail: nancydeanbeaulieu@yahoo.com AB - In this study we examine the effects of transferring physicians from a compensation system based on salary to a profit-sharing system. Consistent with theory, we find that the change has a large and significant effect on the quantity of services provided. In addition, we find a selection effect, where the least productive doctors leave the company and more productive doctors join. ER -