1. The effects of drug subsidies on out-of-pocket prescription drug expenditures by seniors: regional evidence from Canada
2. Sule Alan, Thomas F. Crossley, Grootendorst Paul, and Michael R. Veall, 2002, 'Out-of-pocket prescription drug expenditures and public prescription drug programs,' Social and Economic Dimensions of an Aging Population Research Paper No. 88, December, Department of Economics, McMaster University, Hamilton, Canada, http://www.socserv.socsci.mcmaster.ca/sedap/p/sedap88.pdf
3. Jay Bhattacharya, and Darius Lakdawalla, 2002, 'Does Medicare benefit the poor? New answers to an old question,' National Bureau of Economic Research Working Paper No. 9280, September, Cambridge MA
4. Ake Blomqvist, and Jing Xu, 2001, 'Pharmacare in Canada: issues and options,' Health Policy Working Paper Series, No. 01-01, September, Health Canada, Ottawa
5. Kernel Regression in Empirical Microeconomics