The National Institute for Clinical Excellence has recently changed its guidelines on discounting costs and effects in economic evaluations. In common with most other regulatory bodies it now requires that health effects should be discounted at the same rate as costs. We show that the guideline leads to sub-optimal decisions because it fails to account for the changing value of health. NICE (and other regulatory bodies) should either use differential discounting or stipulate how the changing value of health should otherwise be dealt with. We also show how binding health service budget constraints should be incorporated in evaluations. Copyright

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Health Economics
Erasmus School of Health Policy & Management (ESHPM)

Gravelle, H, Brouwer, W.B.F, Niessen, L.W, Postma, M.J, & Rutten, F.F.H. (2007). Discounting in economic evaluations: Stepping forward towards optimal decision rules. Health Economics, 16(3), 307–317. doi:10.1002/hec.1168