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A QALY loss is a QALY loss is a QALY loss: a note on independence of loss aversion from health states

Evidence has accumulated documenting loss aversion for monetary and, recently, for health outcomes—meaning that, generally, losses carry more weight than equally sized gains. In the conventional Quality-Adjusted Life Year (QALY) models, which comprise utility for quality and length of life, loss aversion is not taken into account. When measuring elements of the QALY model...

Discounting in Economic Evaluations

. KC commented and elaborated on the final draft. Compliance with Ethical Standards Funding No sources of funding were received for the preparation of this article. Conflict of interest Arthur E ... . Attema, Werner B.F. Brouwer, and Karl Claxton have no conflicts of interest directly relevant to the content of this article. Open Access This article is distributed under the terms of the Creative

New findings from the time trade-off for income approach to elicit willingness to pay for a quality adjusted life year

; Utility of health and wealth; Willingness to pay - D03 I10 & Arthur E. Attema Introduction Economic evaluations provide information on costs and effects of health technologies. Within economic

Exploring a new method for deriving the monetary value of a QALY

Several studies have sought to determine the monetary value of health gains expressed as quality adjusted life years (QALYs) gained, predominantly using willingness to pay approaches. However, willingness to pay has a number of recognized problems, most notably its insensitivity to scope. This paper presents an alternative approach to estimate the monetary value of a QALY, which...

The way that you do it? An elaborate test of procedural invariance of TTO, using a choice-based design

Arthur E. Attema 0 Werner B.F. Brouwer 0 JEL Classification 0 0 A. E. Attema (&) W. B.F.Brouwer iBMG/iMTA, Erasmus University , PO Box 1738, 3000, DR, Rotterdam, The Netherlands The time tradeoff

Time trade-off: one methodology, different methods

AbstractThere is no scientific consensus on the optimal specification of the time trade-off (TTO) task. As a consequence, studies using TTO to value health states may share the core element of trading length of life for quality of life, but can differ considerably on many other elements. While this pluriformity in specifications advances the understanding of TTO from a...

Constantly Proving The Opposite? A test of CPTO using a broad time horizon and correcting for discounting

Arthur E. Attema 0 Werner B. F. Brouwer 0 0 A. E. Attema (&) W. B. F. Brouwer iBMG/iMTA, Erasmus University Rotterdam , PO Box 1738, 3000 DR Rotterdam, The Netherlands Purpose An important

Time to tweak the TTO: results from a comparison of alternative specifications of the TTO

This article examines the effect that different specifications of the time trade-off (TTO) valuation task may have on values for EQ-5D-5L health states. The new variants of the TTO, namely lead-time TTO and lag-time TTO, along with the classic approach to TTO were compared using two durations for the health states (15 and 20 years). The study tested whether these methods yield...

On the (not so) constant proportional trade-off in TTO

Arthur E. Attema 0 Werner B. F. Brouwer 0 0 A. E. Attema (&) W. B. F. Brouwer iBMG/iMTA, Erasmus University Rotterdam , P.O. Box 1738, 3000 DR Rotterdam, The Netherlands Purpose The linear and