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This paper investigates whether hospitals respond in profit-maximizing ways to changes in diagnosis-specific prices, as determined by Medicare's Prospective Payment System and other public and private insurers. Previous studies have been unable to isolate this response because changes in reimbursement amounts (prices) are typically endogenous: they are(More)
Understanding more about how the brain functions should help us understand economic behaviour. But some would have us believe that it has done this already, and that insights from neuroscience have already provided insights in economics that we would not otherwise have. Much of this is just academic marketing hype, and to get down to substantive issues we(More)
The Policy Research Working Paper Series disseminates the findings of work in progress to encourage the exchange of ideas about development issues. An objective of the series is to get the findings out quickly, even if the presentations are less than fully polished. The papers carry the names of the authors and should be cited accordingly. The findings,(More)
OBJECTIVE The authors evaluated the use of conditional cash transfers as an HIV and sexually transmitted infection prevention strategy to incentivise safe sex. DESIGN An unblinded, individually randomised and controlled trial. SETTING 10 villages within the Kilombero/Ulanga districts of the Ifakara Health and Demographic Surveillance System in rural(More)
We present new evidence on the relationship between health behaviors and experimental measures of risk and time preferences and introduce evidence that perceived control—a measure incorporated from the health psychology literature—is a stronger and more consistent predictor of health behaviors than economic preferences. The views expressed in this paper are(More)
Reflecting an increasing awareness of the importance of treatment adherence on outcomes in psychiatric populations, the National Institute of Mental Health (NIMH) convened a panel of treatment adherence researchers on September 27-28, 2007 to discuss and articulate potential solutions for dealing with methodological adherence research challenges. Panel(More)
We propose that individuals consider future versions of themselves to truly be separate persons, not simply as a convenient modeling device but in terms of actual brain systems and decision‐making processes. Intertemporal choices are thus quite literally strategic interactions between multiple agents. Previous neuroscientific studies have found evidence(More)
A large literature on non-expected utility models has developed preference functionals which are non-linear in probabilities to explain attitudes toward risk. In this paper, we introduce a frame-dependent utility model which resolves many of the paradoxes that motivated non-expected utility models while retaining expected utility analysis for any given(More)
References [1] 'General Equilibrium Analysis of an Aid Experiment [job market paper]' Research in Progress In the last decade randomized control trials (RCTs) have generated much knowledge regarding the causal effect of an aid intervention on recipients' consumption. I explore what more can be learned about the intervention's consumption effects if the(More)