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Expenditure Function

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    U = v*

    y

    x

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    dx(px,py,I)

    I/py

    I/px

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    6.1#6

    y

    U0

    Hicksian demand

    I/px3 I/px2 I/px1 x

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    All other 7#1

    goods

    I/pA

    Ucash

    Ustamps

    I/pF Fstamp+I/pF Food

    Food

    subsidy

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    Graph 53

    A PF

    DWL

    DWL

    F

    U1

    U2

    F2*F1

    * Fmin

    Slope of U1 at F1*

    Valuation

    of FminF1*

    Slope of U1 at Fminunits of

    food Valuation of Fmin-

    F1* units of food

    F1* Fmin

    FIndifference Map Compensated Demand

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    p

    $1

    50c

    7#3

    Willing to sell food stamps

    Infinite supply

    if p >1

    Willing to buyfood stamps

    Q

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    MIT OpenCourseWarehttp://ocw.mit.edu

    14.03 / 14.003 Microeconomic Theory and Public Policy

    Fall 2010

    For information about citing these materials or our Terms of Use, visit:http://ocw.mit.edu/terms.

    http://ocw.mit.edu/http://ocw.mit.edu/termshttp://ocw.mit.edu/termshttp://ocw.mit.edu/termshttp://ocw.mit.edu/termshttp://ocw.mit.edu/

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