Cream Skimming in the Maccabi Health Fund before the 1995 National Health Insurance Law. Social Security, February 1999.

Economic Accountability in Health Services. With Rachelle Kaye. In: The Changing Face of Health Systems ed. David Chinitz. The Israel Institute for Health Policy and Health Services Research. 2001.

Cost-Utility Analysis of Hepatitis A Prevention among Healthcare Workers in Israel. With G.Hodik,Y.Lerman,H.Aloni,T. Peled, and S. Ashkenazi. Journal of Occupational and Environmental Medicine, February 2002.

Households, Health Plans, and Expenditures for Medication. With Shuli Brammli-Greenberg and Bruce Rosen. JDC-Brookdale Institute, April 2003

The Relationship between co payments, the use of health services and health status amongst children under 4 years of age.  With A Levi, R Figrua, R. Kay, M. Rosenblatt and A. Biderman. In: Ten Years of The National Health Insurance Law – 1995-2005 ed. G Ben Nun and G. Offer. 2006