Discounting of delayed rewards in opioid-dependent outpatients: exponential or hyperbolic discounting functions?

Abstract

Recent theories of substance abuse have used value discounting of delayed rewards to partly explain the decision to take drugs. Normative-economic theory holds that an exponential function describes the effects of delay on discounting, whereas the matching law posits a hyperbolic discounting function. The ability of these functions to describe 18 human… (More)

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