Consider the lottery that assigns a probability 7 of obtaining a level of consumption CH and a probability 1-7 of obtaining a low level of consumption c̟ with cí > cL. Consider an individual facing such a lottery with utility function u(c) that has the properties that more is better (that is, a strictly positive marginal utility of consumption at all levels of c) and diminishing marginal utility of consumption, u"(c) < 0. As usual, we are using the shorthand u'(c) = du for the first derivative of the utility function with respect to consumption and u"(c) = Puc) (which is also the derivative of the first derivative of the utility function). du(c) du'(c) to be the second derivative of the utility function %3D %3D dc2 dc

Microeconomic Theory
12th Edition
ISBN:9781337517942
Author:NICHOLSON
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Chapter7: Uncertainty
Section: Chapter Questions
Problem 7.11P
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Consider the lottery that assigns a probability r of obtaining a level of consumption cH
and a probability 1-7 of obtaining a low level of consumption c̟ with CH > CL. Consider
an individual facing such a lottery with utility function u(c) that has the properties that
more is better (that is, a strictly positive marginal utility of consumption at all levels of
c) and diminishing marginal utility of consumption, u"(c) < 0. As usual, we are using
the shorthand u'(c) =
du(c)
for the first derivative of the utility function with respect to
consumption and u"(c):
dc
d²u(c)
= dc
du'(c)
dc
to be the second derivative of the utility function
(which is also the derivative of the first derivative of the utility function).
Using the definition of the certainty equivalent level of consumption provide an
expression for the ratio,
и(Ссе) — и(ст)
u(cH)-u(cL)'
Transcribed Image Text:Consider the lottery that assigns a probability r of obtaining a level of consumption cH and a probability 1-7 of obtaining a low level of consumption c̟ with CH > CL. Consider an individual facing such a lottery with utility function u(c) that has the properties that more is better (that is, a strictly positive marginal utility of consumption at all levels of c) and diminishing marginal utility of consumption, u"(c) < 0. As usual, we are using the shorthand u'(c) = du(c) for the first derivative of the utility function with respect to consumption and u"(c): dc d²u(c) = dc du'(c) dc to be the second derivative of the utility function (which is also the derivative of the first derivative of the utility function). Using the definition of the certainty equivalent level of consumption provide an expression for the ratio, и(Ссе) — и(ст) u(cH)-u(cL)'
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