Journal of Health Economics, Vol. 26, No. 2. (1 March 2007), pp. 213-232.
NBER Working Paper, Vol. 12796
NBER Working Paper, Vol. 12764
NBER Working Paper, Vol. 12754
NBER Working Paper, Vol. 12743
The Journal of Economic Perspectives, Vol. 12, No. 1. (1998), pp. 37-46.
The Journal of Economic Perspectives, Vol. 14, No. 2. (2000), pp. 57-70.
The Journal of Economic Perspectives, Vol. 9, No. 2. (1995), pp. 85-110.
The Journal of Economic Perspectives, Vol. 12, No. 4. (1998), pp. 201-210.
The Journal of Economic Perspectives, Vol. 9, No. 2. (1995), pp. 191-208.
The Journal of Economic Perspectives, Vol. 9, No. 2. (1995), pp. 63-84.
The Journal of Economic Perspectives, Vol. 11, No. 1. (1997), pp. 169-177.
The Journal of Economic Perspectives, Vol. 15, No. 2. (2001), pp. 213-238.
The Journal of Economic Perspectives, Vol. 13, No. 3. (1999), pp. 157-172.
The Journal of Economic Perspectives, Vol. 5, No. 3. (1991), pp. 51-69.
The Journal of Economic Perspectives, Vol. 6, No. 3. (1992), pp. 23-42.
The Journal of Economic Perspectives, Vol. 16, No. 4. (2002), pp. 45-66.
The Journal of Economic Perspectives, Vol. 17, No. 3. (2003), pp. 93-118.
The Journal of Economic Perspectives, Vol. 12, No. 1. (1998), pp. 59-68.
The Journal of Economic Perspectives, Vol. 15, No. 1. (2001), pp. 107-124.
The Journal of Economic Perspectives, Vol. 10, No. 3. (1996), pp. 159-167.
The Journal of Economic Perspectives, Vol. 13, No. 3. (1999), pp. 67-88.
The Journal of Economic Perspectives, Vol. 16, No. 4. (2002), pp. 67-90.
The Journal of Economic Perspectives, Vol. 14, No. 2. (2000), pp. 45-56.
The Journal of Economic Perspectives, Vol. 11, No. 4. (1997), pp. 199-208.
The Journal of Economic Perspectives, Vol. 6, No. 3. (1992), pp. 3-21.
The Journal of Economic Perspectives, Vol. 13, No. 1. (1999), pp. 141-164.
The Journal of Economic Perspectives, Vol. 8, No. 4. (1994), pp. 129-144.
The Journal of Economic Perspectives, Vol. 17, No. 2. (2003), pp. 125-148.
The Journal of Economic Perspectives, Vol. 13, No. 2. (1999), pp. 145-166.
The Journal of Economic Perspectives, Vol. 8, No. 3. (1994), pp. 3-11.
The Journal of Economic Perspectives, Vol. 16, No. 2. (2002), pp. 207-217.
NBER Working Paper, Vol. 12478
pp. 295-325.
Journal of Clinical Epidemiology, Vol. 53, No. 10. (September 2000), pp. 1030-1035.
Journal of Public Economics, Vol. 77, No. 2. (August 2000), pp. 155-184.
Advances in Economic Analysis & Policy, Vol. 6, No. 1.
NBER working paper, Vol. 12674
NBER working paper, Vol. 12663
Inquiry, Vol. 41, No. 2.
NBER working paper, Vol. 12120
NBER working paper, Vol. W12642
The Journal of Philosophy, Vol. 90, No. 10. (1993), pp. 497-516.
PLoS Biology, Vol. 1, No. 3. (1 December 2003), e77.