deal or no deal decision making under risk in a large-payoff game show

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    38

    American Economic Review 2008, 98:1, 3871

    ttp://www.aeaweb.org/article.pp?doi=10.1257/aer.98.1.38

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    Deal or No Deal?

    Decision Making under Risk in a Large-Payoff Game Show

    By Thierry Post, Martijn J. van den Assem,Guido Baltussen, and Richard H. Thaler*

    We examine te riky coice o contetant in te popular TV game owDeal or No Deal and related claroom experiment. Contrary to te tradi-tional view o expected utility teory, te coice can be explained in large partby previou outcome experienced during te game. Rik averion decreaeater earlier expectation ave been attered by unavorable outcome or ur-paed by avorable outcome. Our reult point to reerence-dependent coiceteorie uc a propect teory, and ugget tat pat-dependence i relevant,even wen te coice problem are imple and well defned, and wen largereal monetary amount are at take. (JEL D81)

    * P: E S E, E U R, P.O. Bx 1738, 3000 DR, R, N (-: gp@w..); V A: E S E, E U R (-: @w..); B: Tbg I E S E,E U R (-: b@w..); T: G S B, U Cg, 5807 S. Ww A., Cg IL 60637 (-: @ggb.). W k Nk Bb,Ig D, G H, P M, P Wkk, pp BDRM X S M,FUR XII 2006 R, EFA XXXIII 2006 Z, EEA XXI 2006 V, EWGFM XL 2007 R, - pp E U R, U Z, U Gg, U A, U Lg, , gg.W k Mq Kg, E, TROS, S.1, pg w / g D N D, M S g g w xp, Nk H J-H P k . F pp b Tbg I, E R I Mg, E C F R g kwg. A g w.

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    VOL. 98 NO. 1 39POsT ET AL.: DEAL OR NO DEAL?

    kw . F xp, k

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    MARCh 200840 ThE AMERICAN ECONOMIC REVIEW

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    p (D) (N D) . S IV z

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    k p p

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    VOL. 98 NO. 1 41POsT ET AL.: DEAL OR NO DEAL?

    . S VII g k gg . F,

    pg g p D N D b b

    w b Ob 2005.

    I. Description o the Game Show

    T TV g w D N D w p b D p p

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    MARCh 200842 ThE AMERICAN ECONOMIC REVIEW

    A.Bank Beavior

    Ag kw x bk , bk b

    g p. F p b z p:

    CSJFGDBTFT

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    CBOLPGGFS

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    CBOLPGGFS

    CBOLPGGFS

    CBOLPGGFS

    CBOLPGGFS

    Figure 1. Flow Chart of the Main Game

    Note: I , b b b p, gg w b kw pz w b. A pz b , bk p . I p (D), wk w w g ; (N D), p x . I - N D , pz w b. T fw pp D US G . T G w g w 20 b.

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    VOL. 98 NO. 1 43POsT ET AL.: DEAL OR NO DEAL?

    R 1. Bk p p b: w w (g)

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    ; 0.01

    ; 0.20

    ; 0.50

    ; 1

    ; 5

    ; 10

    ; 20

    ; 50

    ; 100

    ; 500

    ; 1,000

    ; 2,500

    ; 5,000

    ; 7,500

    ; 10,000

    ; 25,000

    ; 50,000

    ; 75,000

    ; 100,000

    ; 200,000

    ; 300,000

    ; 400,000

    ; 500,000

    ; 1,000,000

    ; 2,500,000

    ; 5,000,000

    close-up of the

    contestant is

    shown here

    Figure 2. Example of the Main Game as Displayed on the TV Screen

    Note: A -p w . T pb pz g . Pz w k g pz bg . T p b b w bk . T xp w pp pg x b : p bk 13,000 pw g 20 b, w w. T xp f pz Dp.

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    MARCh 200844 ThE AMERICAN ECONOMIC REVIEW

    II. Data

    W x D N D 151 ppg p

    N (51), G (47), U S (53).

    T D D N D Miljoenenjact ( Cg M).T D p w Db 22, 2002, p

    J 1, 2007. I p, g w w 51 , g

    wk p p Nw Y D, w

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    C g w 5,000,000. T D p b

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    b p w p w

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    I G, Deal or No DealDie sow der Glckspirale J23, 2005, bg J 28, 2006.2 Ap b pz, w

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    8 g 9. B 8 x q 29

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    J 2006. T 39 p b g 53 , w -

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    x pz $1,000,000 (g 800,000) g $131,478 (105,182).

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    2 A Der MillionenDeal M 1, 2004. T g pz w 237,565 g pz w 2,000,000. T w 6 p .

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    p. W g g b p pp

    k, xp, g .

    Hw, g, g, g xp pw . I

    p w, f k pg . F xp, g g,

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    ). T f b k

    w, , p. I , g k (IRRA) p xp . A D g k

    G US , k

    Table 1Summary Statistics

    M S. . M. M Mx.

    A. Neterland 1N5512Ag () 45.31 11.51 21.00 43.00 70.00

    G ( 5 1) 0.27 0.45 0.00 0.00 1.00E (g 5 1) 0.55 0.50 0.00 1.00 1.00Sp R 5.22 1.75 3.00 5.00 10.00B O R (p) 55.89 32.73 10.17 55.32 119.88O Ap (p) 76.27 30.99 20.77 79.29 165.50A W () 227,264.90 270,443.20 10.00 148,000.00 1,495,000.00

    B. Germany 1N5472Ag () 36.47 8.17 20.00 35.00 55.00G ( 5 1) 0.34 0.48 0.00 0.00 1.00

    E (g 5 1) 0.47 0.50 0.00 0.00 1.00Sp R 8.21 1.53 5.00 8.00 10.00B O R (p) 89.07 33.90 37.31 88.22 190.40O Ap (p) 91.79 19.15 52.78 95.99 149.97A W () 20,602.56 25,946.69 0.01 14,700.00 150,000.00

    C. United state 1N5532Ag () 34.98 10.03 22.00 33.00 76.00G ( 5 1) 0.57 0.50 0.00 1.00 1.00

    E (g 5 1) 0.49 0.50 0.00 0.00 1.00Sp R 7.70 1.29 5.00 8.00 10.00B O R (p) 80.98 17.57 44.04 83.52 112.00O Ap (p) 91.43 15.31 49.16 97.83 112.50A W ($) 122,544.58 119,446.18 5.00 94,000.00 464,000.00

    Note: T b w p p 151 N (51; p A),G (47; p B) U S (53; p C). T , g , k bw . Ag .G b w g . E b k

    w b g g (g ) q wk xp. Sp R b w bk p. T b G p b 11 w b b g ; w p g , p q 10. B O R g pg bk - (N D). O Ap pg bk p b (D), 100 p w . A W q p bk , pz w b w .

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    MARCh 200846 ThE AMERICAN ECONOMIC REVIEW

    zb p pg. F, b b p f b b bk. T pg bk

    w p g q

    k g b g p. T,

    bw D G US -

    w IRRA.

    A. Cro-Country Analyi

    Ap k, g w -

    . S, w p p. I D G p p

    p g w w qz q, w w g

    Table 2Bank Offers and Contestants Decisions

    U D N D

    R % BO Sk N. % BO Sk N. % BO Sk N.

    A. Neterland

    1N5 51

    21 6 387,867 51 0 6 387,867 512 14 376,664 51 0 14 376,664 513 34 369,070 51 36 409,802 10 33 359,135 414 61 348,820 41 69 394,860 11 58 331,939 305 77 317,618 30 82 557,680 7 76 244,555 236 88 234,877 23 90 237,416 12 87 232,107 117 98 243,868 11 104 414,106 6 91 39,582 58 96 50,376 5 100 78,401 3 90 8,338 29 106 11,253 2 91 17,500 1 120 5,005 1

    B. Germany1N5 4721 8 24,277 27 0 8 24,277 272 15 24,915 47 0 15 24,915 473 34 23,642 47 0 34 23,642 474 46 21,218 47 0 46 21,218 475 59 22,304 47 59 29,976 2 59 21,963 456 72 20,557 45 67 48,038 7 73 15,494 387 88 15,231 38 85 21,216 5 88 14,324 338 98 15,545 33 91 28,813 10 101 9,776 239 103 14,017 23 109 13,925 11 99 14,101 12

    C. United state1N5 5321 11 152,551 53 0 11 152,551 532 21 151,885 53 0 21 151,885 533 36 147,103 53 0 36 147,103 534 50 148,299 53 0 50 148,299 535 62 148,832 53 79 118,517 1 61 150,434 526 73 150,549 52 74 139,421 9 73 152,879 437 88 154,875 43 91 204,263 15 86 128,416 288 92 114,281 28 96 183,917 14 88 44,644 149 98 39,922 14 99 53,825 8 97 21,384 6

    Note: T b w pg bk p 151 N (51; p A), G (47; p B) U S (53; p C).T g bk pg g g pz (% BO), g g pz (k), b (N.) p g (r5 1, , 9). T w p pg bk (D) g bk (ND). T b G p b 11 w b b g .

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    VOL. 98 NO. 1 47 POsT ET AL.: DEAL OR NO DEAL?

    p g w . O p D x

    b- g: b , q, w

    g g g p- b pg kw

    pz b w 20,000 (ppx 5 p g

    pz g) p b pz w p . I k- p- k x g g, D

    g b xp b k g. I U S,

    b g b p -

    , p pp b b p pp p-

    . (T Wb w pp

    pp pg . T w -

    p g .) C ( ) b .

    A k-kg pp b wg p

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    pb, S VI p TV w w xp

    g pp.

    III. Preliminary Analysis

    T g gp k p D N D, w z

    b bk, p g

    .

    S b g b Tb 2. F, bk b

    g b g g pg g pg (R 2). T p

    g pz pp 100 p . T

    g bw pg D (p A), G (p B), US (p C) gg bk b w

    .3 T b g w

    D p p w bk G

    US . Ag, f b g k D -

    , , , b k w, -

    , p. T, g xb w g b

    k . I US G p, kp pg

    bk xp pz p b.

    I 3 N, 20 p (10 51) p

    g 36 p xp p b, b k

    x 400,000. M w 70 p x-g 100,000. F, b w p, w , k

    . I D w, b pg

    , w . I , k

    k, q kw pz.

    I pp b w p p p k

    k. T g xp b k p,

    p Fk, w pp D p J 1, 2005 ( Tb 3). I 7,

    k pk, Fk p b w g g pz

    (500,000) w xp pz b 102,006 2,508. T bk

    3 A pk E, p p, g bk p.

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    MARCh 200848 ThE AMERICAN ECONOMIC REVIEW

    2,400, 96 p g g pz. Fk p

    . I bq , Fk b gb,

    p w b w 10. Sp, 8, 105 p-

    g g pz; 9, 6,000

    50/50 gb 10 10,000. W k-kg

    b, b g, p, gb w k. A, w wg Fk w w p gb

    g, b xp b b

    xp g.

    I , xg S, x w

    pp G p Ag 23, 2006 ( Tb 4). A k

    pk, pz 1,000 8. I 9, 50/50

    gb 100,000 150,000, w g pz G . W

    w g , bk

    125,000, xp gb; p k-kg b

    p , p wg 150,000.T b k Fk k S xb w k ,

    k-kg, w w k .

    Table 3Example Frank

    G (r)

    Pz () 1 2 3 4 5 6 7 8 9

    0.01 x x

    0.20 x x0.50 x x x x x x x1 x x x x x5

    10 x x x x x x x x x20 x x x x x x x x50

    100500

    1,000 x2,500 x x x5,000 x x7,500

    10,000 x x x x x x x x x

    25,000 x x50,000 x x x x75,000 x x x

    100,000 x x x200,000 x x x x300,000 x400,000 x500,000 x x x x x x

    1,000,000 x2,500,0005,000,000 x

    Ag () 383,427 64,502 85,230 95,004 85,005 102,006 2,508 3,343 5,005O () 17,000 8,000 23,000 44,000 52,000 75,000 2,400 3,500 6,000O () 4 12 27 46 61 74 96 105 120

    D N N N N N N N N N

    Note: T b w gb p D Fk D N D b g 19. T p p w b J 1, 2005. F g , b w g pz, g g pz, bk , pg bk , D N D . Fk p w pz 10.

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    Fk b w bk- , wg gb g

    bk p p. S b w -

    , wg gb w k pg w

    .

    T z p x xp

    b Fk Sz, w p g g w w z

    g p.

    O k w k p p g -

    bk . A g g pz pg

    b w, b- g w g pz w

    . Ug r g, g g pz b- :

    (1) BCr5nrxr 2 x

    minr

    nr 2 1,

    w nr b g b g r5 1, ,9 min

    r g pz. S, w b g g pz

    w- g g g pz, maxr :

    Table 4Example Susanne

    G (r)

    Pz () 1 2 3 4 5 6 7 8 9

    0.01 x x x x

    0.20 x x x0.50 x x x x x x x15

    1020 x x50 x x

    100 x x x x200300 x x x400 x500

    1,000 x x x x x x x x2,500 x x x x x x

    5,000 x7,500

    10,000 x x12,500 x x x15,000 x20,000 x x25,000 x x x x x50,000 x

    100,000 x x x x x x x x x150,000 x x x x x x x x x250,000 x

    Ag () 32,094 21,431 26,491 34,825 46,417 50,700 62,750 83,667 125,000O () 3,400 4,350 10,000 15,600 25,000 31,400 46,000 75,300 125,000O () 11 20 38 45 54 62 73 90 100

    D N N N N N N N N N

    Note: T b w gb p G S D N D b g 19. T p p w b Ag 23, 2006. F g, b w g pz, g g pz, bk , pg bk , D N D . S p w pz 150,000.

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    MARCh 200850 ThE AMERICAN ECONOMIC REVIEW

    (2) WCr5nrxr 2 x

    maxr

    nr 2 1.

    M p, w g g BCr bg

    w - g w WCr bg

    b -.4 G w ( b

    ) .

    4 T pz w ( S II), BCr BWr b g pz.

    Table 5Deal or No Deal Decisions after Bad and Good Fortune

    L N W

    R % BO N. % D % BO N. % D % BO N. % D

    A. Neterland (N5 51)

    1 6 17 0 6 17 0 6 17 02 15 17 0 12 17 0 15 17 03 40 17 12 29 17 41 31 17 64 69 14 14 58 13 46 54 14 215 82 10 10 71 10 20 78 10 406 94 8 50 85 7 43 86 8 637 99 4 25 97 3 67 99 4 758 105 1 0 91 3 67 100 1 1009 120 1 0 0 91 1 100

    29 72 14 70 31 72 25

    B. Germany (N5 47)

    1 7 9 0 7 9 0 8 9 0

    2 16 16 0 13 15 0 14 16 03 35 16 0 33 15 0 33 16 04 46 16 0 44 15 0 47 16 05 65 16 0 54 15 13 57 16 06 83 15 0 67 15 20 66 15 277 107 13 0 80 12 25 76 13 158 117 11 0 89 11 55 86 11 369 107 8 38 106 7 57 98 8 50

    29 111 3 105 17 111 13

    C. United state (N5 53)

    1 9 18 0 10 17 0 13 18 02 19 18 0 19 17 0 25 18 03 41 18 0 29 17 0 39 18 0

    4 57 18 0 42 17 0 51 18 05 69 18 0 55 17 6 62 18 06 78 18 11 68 16 31 73 18 117 92 15 27 87 13 23 84 15 538 94 9 22 95 10 70 87 9 569 92 4 50 101 6 67 99 4 50

    29 118 8 113 18 118 14

    Note: T b z D N D p 151 N(51; p A), G (47; p B) U S (53; p C). T p p b xp b g g. A g g pz g w g pz g w - g ; w g g g g pz g b -. F g g , b p pg bk (% BO), b (N.) p-

    g g D (% D). T b G p b 11 w b b g .

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    VOL. 98 NO. 1 51POsT ET AL.: DEAL OR NO DEAL?

    O , w p w g-

    . T w w b , p -

    w w k g p: -

    k p g wk x p g.

    F xp, pg g ( r) g bw w p g, k w

    k g p.

    Tb 5 p b. W

    , p w g, b w

    g p. W 31 p D N D

    gp D D p, D pg 14 p

    p g p (R 4). T w D pg

    gg k w b k g

    w b p. I , g p g xb k-kg

    b b g bk x g g pz.

    T w D pg b xp p b k b w k k, g k (IRRA). Hw,

    g k gb

    g p w k p (g

    g w xp ). A, k xp w k

    , w w xp g k w. Hw, k

    w k w- b. T

    D pg w 25 p, bw 31 p gp.

    Ig, p . T D pg

    G US w D , w IRRA

    b k. W , w, w w D pg.

    T gg p p k . T

    w p xp w p-

    g pb p p b g

    pb. B , p-p b p q pp .

    T w k bk- , k-

    bg wg k k p p p . S,

    w D pg w w - ,

    w k g.

    Ob, p D pg . I p

    xp k p (bk g pz) . F, p

    g g g . T x w

    x-k g z D N

    D g .

    IV. Expected Utility Theory

    T z b D N D w xp -

    w . T ppp p, b

    p . W w pw xp , b

    k (CRRA) b k (CARA)

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    MARCh 200852 ThE AMERICAN ECONOMIC REVIEW

    . T w pb b g k (IRRA)

    g b k (DARA), w p fxb xp-pw

    A S (1993) w b M Ab, C B,

    P P. Wkk (2007) b C A. H S K. L (2002):

    (3) u 1x 2 51 2 exp 1 2 a 1W1 x 212b

    2a .I , p kw: k a b,

    w p W. T CRRA pw g w

    a S 0 CARA xp p w b5 0. T,

    w b w, g p

    . Hw, w bb pb

    g xg w w p g. T, w w

    p .

    W w kw p g x k p k b D N D b p ,

    bk , , xp

    kw wg w g . I g r, B 1xr 2 bk g pzxr. T p p:

    (4) sv 1xr 2 5u 1B 1xr 2 2 .Azg p. W b ,

    bk , p bw.

    A. Continuation Value

    T g p bk

    p . I , w p-

    z pb b bkw , g R E. B pp p-

    . Sg w , w p D N D

    pg g , g pb p

    bq . T pp , w, k

    pb bq g . S bkw

    p g- bgg xp gg b g

    w p g g g p bkw p

    (, xp, J . 2002; K B . 2002). T p g p p g.

    O gg g k .

    T g-w w w pp bk x

    p b b w

    p (g g p

    ). W p p . Ug , p

    bk w kw x , g p -

    p .

    G pz (xr), b pz x

    ( r11) kw:

    (5) Pr 3xr115y 0xr 5a nrnr11b21

    5pr

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    VOL. 98 NO. 1 53POsT ET AL.: DEAL OR NO DEAL?

    g by nr11 xr. I w, pbb p

    b b pb b nr11 nr. T, gX1xr2 b, p g b

    (6) cv 1xr 2 5 ay[X1xr2u 1B 1y 2 2pr.G g b -g , ppp

    g. Hw, b k, w p

    g bkw p

    p g . I g , w bkw -

    pp , p . S,

    p g p N D, b xp bk

    b g , p g

    g p . I g , bkw p,

    b w g b p b xpbk w w. F w , Fk S,

    pb g p w .

    T w pp w g D q

    pzzg p bkw .

    B.Bank Oer

    T pp p , w q b bk. S I -

    bk q . F w gpzxr pg bk br g r5 1, , 9, w q b

    g wg p :

    (7) B 1xr11 2 5br11xr11,(8) br115br 1 11 2 br 2r192r2,w r, 0#r# 1, p w pg g 100 p. S

    p k , p

    x . T bk b p, b w

    b w D N D b . B 1x10 2 5 10 b1051 pz w b.T xp p . Hw, b ,

    b b , p pg

    b . A b k, p

    pg xp x g .

    F , w r b g p pg

    g g q g .

    T g : 0.832 D , 0.815

    G , 0.735 G , 0.777 US w. T

    g kb g . Fg 3 g-- b pg p- bk g . T g pb -

    , g w p . F p,

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    xp w 70 p

    pg

    . T xp pw g

    , w R-q

    g 95 p p. Agb,

    k

    pg , b b -

    w g wg

    xp . O , -

    z k b wg

    g pz, w

    . I

    g g b

    pg . I -

    , r p , p

    ppx ,

    g g.

    S pp b bk

    b g w w,

    bk (7)(8) -

    kw . Ug

    bk w

    x , g w

    . F , bk p, kg

    z w

    p.

    C.Maximum Likeliood Etimation

    I p G M. Bk, M H.

    DG Jb Mk (1963) J

    D. H C O (1994), w

    D N D g i5 1, ,N g g

    r5 1, , 9 b bw

    p ,

    cv 1xi,r 2 2 sv 1xi,r 2 , p . T p, b-

    b w z

    si,r . Agb, b g

    p . A

    p :

    (9) d 1xi,r 25ay[X1xi,r2 1u 1B 1y 2 2 2 cv 1x i,r2 22pr .

    "1FSDFOUBHFCBOLPGGFST

    "DUVBM

    1SFEJDUFE

    3

    Figure 3.Predicted Bank Offers versus Actual Bank Offers

    Note: T g p g bk

    b pg p bk bk g p p 151 N,G, U S. P A w pg bk p B w bk ( ). A 45-g (p ) p.

    #.POFUBSZCBOLPGGFST

    "DUVBM;

    1SFEJDUFE;

    3

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    W pp , , i,r5

    d 1xi,r 2s, ws p. A p, p g wg . W g

    w wgg. T (p) w p

    . I , w wgg, p - g g, w D g b g

    G US . T f g

    D G US ;

    D p : () g k b g pz; (b)

    g pz b x g g. T

    (9) pk p w . T g

    p , p g wgg .

    G p, w p k D N D

    F

    cv

    1xi,r

    22 sv

    1xi,r

    2d 1xi,r 2s b N D,(10) l 1xi,r 2 5 Fasv 1xi,r 2 2 cv 1xi,r 2d 1xi,r 2s b D,

    w F[ b .5

    Agggg k , g-k D

    N D g b

    (11) ln 1L 2 5aN

    i51a

    Ri

    r52 1l 1x

    i,r

    2 2 ,wRi g p b i.

    T w pb , w p-

    (, xp, J M. Wg 2003).

    N g 1r5 22 . T G pw g g g , g

    p w p, w x 1r5 12 w g . D bk , w

    ( p D); g

    , b w k G p k p.

    T kw p (a, b, W, s) xz

    g-k. T wk g b k

    , w p k .

    5 T w - (FSD). T pbb D p b g z , w bk (N D D) g g (D N D). A p b , FSD. I , w, bk w b g b g , FSD .

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    D.Reult

    Tb 6 z . Ap p-,

    w p p q xp ,

    (CC), 50/50 gb 0 10z

    , z5 1, , 6. T p p b g p . Nb,

    CC b p bk ( xp 50/50

    gb) w k bw D N D. I CC 5 1,

    k . W CC . 1, k kg, CC pp

    z, b x k . T p p g ,

    w pg, pg p D N D

    .

    I D p, k p a b b g

    z, ggg IRRA DARA CRRA pw

    CARA xp xp g w. T

    w 75,203 g x z. S, g D g 25,000 p , w b

    w w, g p. T

    pp g w w p

    w g p pp . A w w

    w Mw Rb (2000) b pb k

    p pb g k g

    g w w. I, p k

    k, w CC 0.994 50/50 gb 0 1,000, g w

    w p k g gb.

    Rb p b pg g k w bxp b H L (2002) g w k p b. H

    L b p g k k, w, Rb ,

    Table 6Expected Utility Theory Results

    N G U S

    a 0.424 (0.000) 1.58-5 (0.049) 4.18-5 (0.000)

    b 0.791 (0.000) 0.000 (1.000) 0.171 (0.000)W 75,203 (0.034) 544 (0.481) 101,898 (0.782)

    s 0.428 (0.000) 0.467 (0.000) 0.277 (0.000)

    MLL 20.365 20.340 20.260LR 24.29 (0.000) 3.95 (0.267) 15.10 (0.002)H 76 p 85 p 89 pN. 214 327 349

    CC (0/101) 1.000 1.000 1.000CC (0/102) 0.999 1.000 1.000CC (0/103) 0.994 0.996 0.998CC (0/104) 0.946 0.960 0.984CC (0/105) 0.637 0.640 0.859CC (0/106) 0.141 0.088 0.302

    Note: T b p xp p 151

    N (51), G (47), U S (53). Sw x k a bp w (W, ) (3), p s. T b w g-k (MLL), k (LR) k , p-g p D N D (H), b D N D p (N.). F, p (CC; q xp) w 50/50 gb 0 10z, z 5 1, , 6.p- w p.

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    p x k g kb p.

    I, w H L p w g-

    p D g , b w b. W

    , gg w Rb, xp w xpg

    b b g k.T fxb g xp w

    . T xb g IRRA, g p-

    b w CC 0.141 50/50 gb 0 1,000,000. I, b p-

    g w w p . I k w k,

    w p g pp p bk , pp w

    w b; w xp D pg Tb 5. Hw, g IRRA

    xp b , w g bk

    p w k. S, p k kg

    k; w CC 0.946 50/50 gb 0 10,000g Fk

    k 9. T, b pg w p

    .Ig, G q

    D . T p CARA xp (b5 0)

    w b g z. S,

    b pz, w xb p b

    g IRRA g k w. Ag, b pg -

    w w p . T b

    xp g b

    k p D w bk

    x g g pz.

    C D G , US ppx- g CRRA pw (a 0). T CC g g

    k. F g k, b w p

    w , fg w pp D US w

    g k. T g p w

    101,898, w k k. S, w

    g z, b p b b w w

    b p CARA xp .

    T p , Tb 7 w p

    w ( S III). Cg w D pg ,

    w k g CC gp. T

    b b b k kg, w pg g p bk x g g pz. T

    p , p zb pz.

    F xp, D g g k US

    G gp. S, k kg (CC . 1) gp. O,

    gg xp p g p

    .

    V. Prospect Theory

    I , w pp z b D N D .C w g w

    gg w p p pp . F, w w

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    Table 7Path Dependence

    L N W

    A. Neterland

    a 2244.904 (0.022) 0.044 (0.204) 0.125 (0.831)

    b 0.993 (0.000) 0.687 (0.000) 0.736 (0.011)

    W 0 (1.000) 304 (0.671) 3,061 (0.824)

    s 0.627 (0.000) 0.323 (0.000) 0.309 (0.000)

    MLL 20.300 20.383 20.325

    H 89 p 81 p 83 p

    N. 72 70 72

    CC (0/101) 1.330 0.994 0.999CC (0/102) 1.338 0.945 0.992

    CC (0/103) 1.347 0.723 0.928

    CC (0/104) 1.355 0.392 0.630

    CC (0/105) 1.363 0.150 0.216

    CC (0/106) 1.371 0.032 0.035

    B. Germany

    a 27.914 (0.117) 0.364 (0.000) 0.087 (0.000)

    b 0.814 (0.000) 0.759 (0.000) 0.651 (0.000)

    W 930 (0.825) 50,926 (0.481) 113,582 (0.180)

    s 0.659 (0.000) 0.241 (0.000) 0.454 (0.000)

    MLL 20.276 20.257 20.278

    H 90 p 87 p 88 p

    N. 111 105 111

    CC (0/10

    1

    ) 1.012 1.000 1.000CC (0/102) 1.113 0.999 0.999

    CC (0/103) 1.584 0.990 0.995

    CC (0/104) 1.823 0.911 0.949

    CC (0/105) 1.891 0.485 0.614

    CC (0/106) 1.929 0.072 0.101

    C. United state

    a 2203.512 (0.006) 1.96-5 (0.000) 0.938 (0.000)

    b 0.995 (0.000) 0.086 (0.000) 0.998 (0.000)

    W 54 (0.691) 934,904 (0.331) 29,468 (0.107)

    s 0.193 (0.000) 0.308 (0.000) 0.326 (0.000)

    MLL 20.194 20.275 20.253H 92 p 86 p 91 p

    N. 118 113 118

    CC (0/101) 1.004 1.000 1.000CC (0/102) 1.023 1.000 0.999

    CC (0/103) 1.054 0.999 0.992

    CC (0/104) 1.071 0.986 0.927

    CC (0/105) 1.081 0.863 0.646

    CC (0/106) 1.089 0.252 0.289

    Note: T b w x k xp p 151 N (51; p A), G (47; p B), U S (53; p C). T -p p b xp g g. A (w) g g pz g w (g) g pz g w (b) - g . T p -p Tb 6.

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    g p p bk w kw

    x . Ag p pp ,

    g p xp . A

    S IV, p ppp xp . F pp ,

    w, b . Pp w k-kg b w , k k g k p g

    w pb wg g g pz. I, w

    g bk xp pg g g pz (

    g b bk x ). P p

    pp g p b w w k

    p g . T p , w, b k kg p

    g. A g, w g

    p g g ppx. T, w p w p

    b w p g xp .

    T p pp w

    xp , w xp-pw (3) p b pp , w g

    p:

    2l(RP2x)a x#RP(12) v 1x 0RP 2 5 u ,

    (x2RP)a x.RP

    w l. 0 - p,RP p p

    g, a. 0 . T g p-

    p w p (x#RP)

    g (x.RP). T b p, w q b .6

    A.Reerence Point specifcation

    K Tk (1979) g pp q

    p w q. S D N D p

    w pk, p w q z w xp-

    . T gz, w, w g

    xp p q

    (286). T p p w p w k p

    gb w b pb w (287). T p b b T J (1990), g w p g

    . O g b B Kzg Rb (2006, 2007).

    T p b p ( g xp)

    w g g , w

    g w w g. Sw k

    p bk- - , w k

    g. I p w ,

    g p , w k kg pp. S,

    6 Ep g . Tk K (1992), xp, 0.88 b . F, b b b w ; V Kbbg Wkk (2005).

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    p k , b g, g

    pz p g, g .

    Fg 4 w g 50/50 gb 25,000 75,000. C

    D N D p gb 9. T g w -

    g p Tk K (1992), a5 0.88 l5 2.25,

    p p. I w p, p q xp (RPN5 50,000). I ,

    gb g 25,000 (50,00025,000) wg 25,000

    (75,00050,000). T q gb CEN5 44,169, g

    bk bw w b g w b p. T k p-

    5,831 b , w g g wg g.

    Nw L, w g k 50,000

    g b g 50/50 gb 9. Spp L w

    p p g g pz (RPL5 75,000). I

    , L gb g 25,000 wg 25,000, b g

    50,000 (75,00025,000) bkg (75,00075,000). B pz p w k kg pp. I, L w bk bw -

    q gb, CEL5 52,255, w p g k p 2,255.

    v(x)

    vL x:75,000

    vWx:25,000

    vNx:50,000

    75,00025,000 x

    Figure 4. Break-Even and House-Money Effects in Prospect Theory

    Note: T g p pp (12) p (RP) q (CE) 50/50 gb 25,000 75,000. V vN(xZ50,000) w RPN5 50,000 CEN5 44,169, vW(xZ25,000) w w RPW5 25,000 CEW5 47,745, vL(xZ75,000) wRPL5 75,000 CEL5 52,255. A b p Tk K (1992), a5 0.88 l5 2.25. T q 50/50 gb.

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    F, W, w k 50,000

    g g b g 50/50 gb. D w , W p

    p q g pz (RPW5 25,000) p b -

    g pz g. I , W gb bkg

    (25,00025,000) gg 50,000 (75,00025,000). S pp g, k W w W

    w bk bw CEW5 47,745, pg k p 2,255,

    5,831 .

    I b xp b pp p p

    . I , w w , pp

    p-p . U, p

    bb pp p g g

    p. W g

    b p. T k g p

    p , w p p b p-

    p.I w w pb g bw bk

    k bk x , w k p

    bk . T bk p pp

    k . F, bk k g g pz

    xp gg . A p p w b

    RPr5u1B(xr). Iu15 0, p q q (RPr5 0) p-

    b g; u1. 0, p p -

    xp (pp) , g p w

    pk. A p bw bk , u1, 1, (p)

    w pb bk x pb g. B , p

    p, u1. 1, pb w pb g.

    T g bk g , g

    p p. D w , w, p b

    b g . W j,

    0 #j,r, b g g pz, d jr 5 1x]r2 x]j 2/x]r. Fj5 0,d1j2r g g, x

    ]0 .

    I, w g ( pb

    ). Hw, g bw gg

    b b, w b p. W -

    w : d1r222r d102r . T d1r222r g x g b b ( ) g;d102r , g b g, p g g . Ag

    w gg , p

    (13) RPr5 1u1 1 u2d r22r 1 u3d 0r 2B 1xr 2 .I , u2, 0 u3, 0 p p k

    g u1B(xr) g g pz

    w .

    I w g w b, p- w b , b w

    g p b x , .., w

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    pb bk g g pb bk . W

    p x bk , .., y[X(xr)B(y)#RPr

    # xy[X(xr)B(y). T p p b

    p p .

    O p pp p: l, - a, p p u1, u2, u3. W

    p p s w x k p

    xp . W pp bk .

    O g b pbb pbb

    wg. T pp p w w pbb -

    . I k p pb ,

    w wg pbb pb , gg k kg

    x . F xp, ppg

    Tk K (1992) wgg p gb w

    w q k , wg 55 p 50

    p. S, w p p w gpbb wgg k p. T p k b ,

    p p , w pbb

    g wg w b pbb (

    b 50/50 gb).

    B.Reult

    Tb 8 z . F D , p-

    g . T

    xp w bk x g g pz; xp w g p bk bw g pz. B

    p k pb w p xp .

    I, g p q Tk K (1992) p

    g .

    T p u1 g g z, pg xp

    (pp) , w p b xp

    xp p . T p g ,

    g p g k bw bk

    .

    T p u2 u3 g z, g

    p k g w g. I g, u2 g u3, ggg

    g xp. Hw, g

    g g pz g w g g

    g g g, g p . I ,

    g g, p g b . I

    , p q g pb bk ( b),

    g p .

    T w p w pp w

    D. N pg, pp b

    w g-k g g xp . W xp p 76 p D N D

    , pg pp 85 p.

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    T G US p w

    D p, b p w . T

    g k g pp D D -

    . I G US p, p b g

    D p. T g p p xp w G

    US p g pg bk D -

    . R p , w k kg pp.

    I , g xp D. I,

    b g D p. Ag, k gg. Hw, p p w

    k p . T G US

    g pg g D . I , b

    b p, b w b b p w .

    T w g p G US g

    D . T g

    w g b xp w p.

    T w g w w

    pp D ( Tb 5). C, pp w b k

    p pb xp p-p p. S, w

    pp xp pb xp, q w. F xp, w g p

    b pbb . T p p w

    w w g p pbb wgg. F p

    wg g,

    wg p g , k-p -

    . W .

    VI. Experiments

    T p g p p-p- k . A, k b p, w g pp-

    g k . P k , w, g

    Table 8Prospect Theory Results

    N G U S

    l 2.375 (0.013) 4.501 (0.008) 4.528 (0.001)

    a 0.516 (0.000) 0.486 (0.000) 0.836 (0.000)

    u1 0.474 (0.000) 1.096 (0.000) 1.163 (0.000)

    u2 20.285 (0.000) 20.026 (0.000) 0.031 (0.329)u3 20.028 (0.000) 20.052 (0.000) 20.093 (0.023)

    s 0.345 (0.000) 0.533 (0.000) 0.193 (0.000)

    MLL 20.309 20.303 20.228LR 48.41 (0.000) 27.44 (0.000) 37.28 (0.000)H 85 p 89 p 91 p

    N. 214 327 349

    Note: T b w pp p 151 N(51), G (47), U S (53). Sw x k (l) (a) , p p u1, u2, u3, p s. T b w g-k (MLL), k (LR) k , pg p D N D (H), b

    D N D p (N.). p- w p.

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    MARCh 200864 ThE AMERICAN ECONOMIC REVIEW

    w g w: b (pg g- b)

    w k b (pg w- b) k. T

    g k, xp wk pp D , b

    xp w D pg w. T z

    k, w xp w E U p D N D. W w xp-

    b , b w

    pp.

    B xp p pb (, xp,

    H L 2002). I p xp w g-

    TV w p b p bw w xp,

    xp g D .7 A xp,

    40 p w b. T g w w b

    1,000 10,000, w p . Dp g

    g, g k g xp . Ag -

    w p, b w g w p g p b. R, b w

    g g b p ( g

    p). T k w gz g p , b

    b g p w b x

    . I, xp D N D

    w g pz w b.

    W p g g w pb , g g

    w ( pp E U) ( b

    ). V w p , g .

    T g (p b, g pz, bk ) w p p g ( ) p g

    ( ). T p w p

    xp TV . O pp ,

    b w x g xp, ppg

    g , w p .

    A b w , b 20 g. A 160 b

    w g pp E U

    w pp pp xp g 20052006. Ag

    xp q 40 b, 80 w g g

    b b w b b

    w p. T, ppx w p g. T pb g , w g b g

    g p.

    A bgg b xp w b, -

    g g TV w p xpg

    xp. Nx, g . E g b 5 10 ,

    xp (40 g) g 5 , q w

    b g, g w .

    7 Og pz b w b p D TV p. Tg pz (b xp), bk g p b g p.

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    VOL. 98 NO. 1 65POsT ET AL.: DEAL OR NO DEAL?

    A. small-stake Experiment

    I xp, g pz bk D w

    b 10,000, g g pz g 40 x pz 500.

    T k xp w g TV w.C g p ( 6.9 5.2 TV w) g

    pg bk . S, g g k 10,000

    TV w. I TV w, g b k

    k kg w k. I xp-

    , k , b g k . T gg

    k k g wk. B ,

    p g; w xp (b) D pg (

    29 b) 3, 21, 19 , , w, p.

    T Tb 9 w x k . T

    xb p x IRRA g w, b w

    . S, xp, CC 0.072 50/50 gb 0 1,000. Iw Rb (2000) b pb k q w

    w -k gb g-k gb. I, w

    b 11 xp, g 10,000 w g

    TV p. A g p, b pg w

    w p . Pp w k p

    b b xp , b g-k

    pg.

    B.Large-stake Experiment

    T g xp g-k TV w

    gg k g. O , xp

    pb w TV , b, xp, xp b-

    TV p (). O xp

    g k b pg xp w g k.

    T xp g b, w bg g-

    b 1,000 b 10,000, g g pz

    g 400 x pz 5,000 x g xp-

    . F xp, 80 w b w w pp, xg

    xp.

    B g IRRA xp, xp w p g k xp. Hw, g p x q

    g -k xp ( 6.9), b pg

    bk ( g bk g 82.5 p 82.4 p

    -k xp). T, k wk g-

    g b IRRA xp.

    T Tb 9 p x k . W

    k b , xp

    z . I , pp

    k, 50/50 gb 0 1,000 w ppx CC

    50/50 gb 0 100 -k xp. B , pp , p g -k b b-

    p xp .

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    MARCh 200866 ThE AMERICAN ECONOMIC REVIEW

    I b xp, k g b p , w g

    k witin xp, b k k

    acro xp. S k b

    , pb xp p

    k k g.

    C. Pooled sample

    T Tb 9 w p p w xp. A

    b, b w p , p g

    k. T p k p wk

    w p w . Sk pp -

    b . Cbg b p w pb xp

    , g p b k. Ug

    g p p g w

    p. T pp pb b b w D pp w p w

    p pp k p. I w,

    Table 9Experimental Results

    S k Lg k P

    A. Expected utility teory

    a 0.019 (0.000) 0.002 (0.001) 0.002 (0.001)

    b 0.000 (1.000) 0.000 (1.000) 0.000 (1.000)W 11 (0.920) 50 (0.930) 0 (1.000)

    s 0.306 (0.000) 0.294 (0.000) 0.354 (0.000)

    MLL 20.342 20.337 20.351LR 10.17 (0.017) 10.14 (0.017) 9.37 (0.025)H 81 p 83 p 80 p

    N. 231 234 465

    CC (0/101) 0.953 0.995 0.995CC (0/102) 0.583 0.953 0.953CC (0/103) 0.072 0.588 0.586CC (0/104) 0.007 0.074 0.074CC (0/105) 0.001 0.007 0.007

    CC (0/106) 0.000 0.001 0.001

    B. Propect teory

    l 2.307 (0.000) 2.678 (0.000) 2.518 (0.000)

    a 0.732 (0.000) 0.695 (0.000) 0.693 (0.000)

    u1 1.045 (0.000) 1.024 (0.000) 1.023 (0.000)

    u2 20.119 (0.000) 0.019 (0.000) 0.013 (0.250)

    u3 20.086 (0.000) 20.046 (0.000) 20.049 (0.000)

    s 0.267 (0.000) 0.196 (0.000) 0.218 (0.000)

    MLL 20.275 20.265 20.272LR 40.94 (0.000) 44.04 (0.000) 83.29 (0.000)H 87 p 88 p 87 p

    N. 231 234 465

    Note: T b w x k xp. T (k) p xp w g D TV D N D b 10,000; (g k) p xp w pz w b 1,000; (p) p w p b. P Aw xp . P B w pp . T p Tb 6 Tb 8, p.

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    VOL. 98 NO. 1 67 POsT ET AL.: DEAL OR NO DEAL?

    g k b k. W

    g p x. A 100 k b p

    g -k xp (w g pz g 40), b

    pbb p g-k xp (w

    g pz g 400).

    VII. Conclusions

    T b g w w b gz w

    p w kg k . W k

    w w, - -

    g g g. S, w b

    p g w w , b pb

    p w-, k g. F, p w,

    b k b w g ,

    g w g g w - w . I , b b

    g pp g. I, pb g

    g w

    , g gg g g.

    W ? F, w b, g, w g b

    k . E w k,

    g x 75 p xp . I xp w

    wk, k g k w

    k -k xpb , b

    xp. S, g k g, pp p g g ; g k b ppg

    g pg bk , w xb

    k-kg b b g b g g pz b

    g gb. W b

    k , b p b xp b

    xp b p g. M b, k

    g p xp b b g g- b-

    xp b p b pg w- b. T

    p-p p g, p zb

    k . L w g wk pp

    D p.T w k w xp w xp -

    p -p pp

    . I, g w bk- ( bg

    wg k k p p p ), - (

    w k w p p p g). A p

    pp w k p xp D N D b-

    b xp . T g gg -p

    p-p p, w pb p w-,

    w g k.

    O , w b w g xp bg p-p . W fxb xp-pw , w b pp

    p xp , b p

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    MARCh 200868 ThE AMERICAN ECONOMIC REVIEW

    xp w g w. Hw, ()

    k-kg g p p

    b . S x p b b bw w , w -

    p w.

    O g p -p p-p, p- g p xp . P

    pb k g g pb. A k

    b g x g w b p xp, b

    pbb g w bw p xp.

    F w xp w , 10,000 pbb

    ; k pp g w

    w xp.

    T k, w w xp

    g pp TV w pb .

    W k . M,

    xp kb g TV w, p xp k g k. C w

    TV , bk- - g xp.

    T xp g g b p-

    . T b () g k b b

    w g (b) wk k g

    pp x pb .

    T p N, G, U S,

    b p g . F , w b -

    g b g z

    p g x , , bkg . I w b g x

    xp. W k , xp w

    , , ,

    b. O xp w g TV p-

    , b xp k p b b p

    - .

    VII. Epilogue

    Fwg D N D N, g w w

    z ww. O gp g p . T p , b

    g (p ) , -

    . Rg g p w b b x,

    b b p . W w p p -

    b , w p bw pb , g k.

    Ug UK , S A . (2006b)

    , g k g w-kg b-

    . T xp gg CRRA w g q g

    UK ; k-p xp pbb-

    wgg g w ; pp pbb wgg g, g pb p

    p. A . (2006) UK w b

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    MARCh 200870 ThE AMERICAN ECONOMIC REVIEW

    k g b . T k

    p g g, b w. Lk

    D R S, g C Sp , b

    k bw p g.

    C, D N D b pp w g , , ppg

    . S k b xg g

    . F, z k w g bg

    g g, z b g. O ,

    x w p g p bk g

    pp, b . S, g

    k p , z p g w

    xp w k. W

    xp, k p p , w -

    b p. T, w g p , p z

    b . F xp, w - p g pz

    x bk , q

    pb, p k pz.

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