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Brown x451773– 1858)x49x74x1x70x8x56x5fx1ax54x13x4ex4fx50x54x2ex33xex5x30x78x10x49x68x4fx44x23x62x7a x1x70x2bx28x29x1fx6a(x4x24x18x76x1x36x2ax6cx3x28x29x2ax6cx2ex1x7bx2ax6cx54x65x68)x48x17 x26x6fx11x1cx75x39x2x18x76x54x7fx0x65x68x48x10x18x10x49x2ex10x18x23x54x16x18x76x76x2x54 x54x6cx2x7cx7dx10x33x6cx54x28x29x2ax6cx78x24xbx7dx3ex5bx24x1Brownx5x30x54x68x4fx62 x7ax2Einstein (1880–1955)x6cx79x661905x46x20x8x54x48x51x26x7ex1ex44x61x70xbx12 x6bx5x69x5fx60x78x36x39x5fx1ax61 Bachelier x54x4fx6ex63x64x24x13x48x7dx3ex78x1fx79x19x48 x65x70x2bx1 Brown x5x30x49x8x68x4fx62x7ax54x2 Bachelier, x51x6cx2ex1x70x6ex68x4f x59x48x62x49x10x66 Brown x5x30x68x4fxcxdx54x74x69x4bx5bx77 Einstein x75x22x1x78x2e xfx31x7ex48 Bachelierx58x49x7ex40x41x44x48x62x63x44x65x70x6dx49x8x70x2bx3exbx62x4ax6e x26(x4fx44x70x51)x78x23x51x54x2x62x6ex6fx1ex61xdx6ax73x54x4ax4bx2ax5cx2Brownx5x30x48 x58x2ex2x6ax4ax54x20x21x27x2ax5cx2Brownx5x30x48x24x5ex15x13x68x19x54x3exbx62x4ax6e x26x57x13x27x54 Black–Scholes x6ex26x7bx12x2fx7fx78x7ax58x48x62x54x62x63x20x1ax2x2ex23 x1fx52x54x78 Bachelierx24x13x13x6dx20x8x6ax4ax2ax5cx2x70x64x28x29x1ax2ex54x57x58x4fx59x2A. Cowles 2 (1891–1984)x78x62x49x62 1933 x46x5fx60x54x70x66x60x1x65x6ax42x1x51x59x25 x1x51x2x7e x6bx54x52x53x63x64[3]x2cx48x7ex1fx71x2cx68x5ex33x14x0x1x48x6ax4ax54x2ax5cx2 x2ex23x1x51x54x78x13x24x13x48x13x14x21x4ex54x67x21965 x46Samuelsonx49x19x57x5fx1a Bachelier x54xcxdx24x13x48x5fx60x61x70x66x60x1x65x68x17x1x3ex4ax4bx28x29x5x65x54x2c x68x6b([28])x48x13x6dx25x5cx61x4ax4bx54x28x29x1dx48x25x18xdx68x17x1x3e(properly antici- pated)xfx11x69x1ex1x4ax4bx3bx3bx3ex25x61x21x51x42x43x46x57x31x54x3ex2bx57x7cx6ax78 x24x14 x68x69x2ex2f(Efficient Markets Hypothesis, EMH)x54x20x55x5ax7cx66Samulesonx78 x15x13x48x7ex1ex1ex65x63x51x3ax42x43x61xdx54x2Famax491965x46x5fx60x54x60x1x65x6ax42 x4ax4bx2cx54x28x29x1ax2ex6bx54x63x64([6]) (x3bx26x5fx60x18x17x53x1x65x6ax42x4ax4bx54x4fx1x6b x48x4f[7])x41970x46x5fx60x54x18x29x63x64[8]x78x49x13x70x66x63x64x2cx48x62x68x3cx1ex20 x8x2a xdx4ax4bx5x2‘x7ex7fx7ax7b’x23x38x11x7cx6ax54x42x43xcx1‘x51x3a’x54(A market in which prices always ‘fully reflect’ available information is 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x24x58x2dx2ex65x4fx1ex4fx6bx52x4e xex2cx54x27x28x78 x15x5dx29x3x46x27x48x8x1ax61x4ex6cx54x35x62x51x3ax42x43x61xdx54x71x2cx7dx52xcxdx78 x25x69x4bx54x4fx56x64x67x48x35x61x3ax3ex44x4bx19x57x20x19x54x24x19x48x51x45x31x48 Cochrane [2]x48 Malkiel (x62x21973x46x8x9x54x53x52x59x7fx51x3ax42x43x61xdx54x65x3ax1x5bx2x54 x28x29x1ax2e (A Random Walk Down Wall Street)x6bx54x2ex31x78x49x33x6fxex2cx48x2e x31x77x0x1ex20x8x16x5ex70x5x58x42xax54x5cx0x0x4fx28x1x27x7x8x4fx1ex14x25x25x57x22 x59x54x7x8x70x26x28x78 Lo–Mackinlay [22]x54xex53x67x2x75x57x62x2x10x3x1b) [25]x48 Shiller (x62x2x15x5dx4bx57x7cx1x54x4fx1x3dx3ex4fx6bx40x7dx75x70x78x17 2000 x46x8x9 x54x53x52x65x43x69x1dx1fx18(Irrational Exuberance)x6bx19x57x51x2cx64x9) [30]x9x78x49 Cochrane [2]x54x0x1x2cx48x2ex31x3x15x24xdx4x5xfx54x5bx4cx27x28x75x36x30x1ex76x29x61 x25x70x62x63x3ax2ax2a xdx15x5d15x46x27x48x7dx3ex19x57x3cx19x3dx3ex57x58x4fx59x49x69x1ex4f x1ex5bx54x69x26x44x51x70x43x3x4x78x3ax3ex4bx57x24x1x6ax73x4x69x68x54x20x21x6fx60x44x2 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x24x5dx4ax51x3ax1dx54x70x71x72x73x69x63x60x54x68x21x1x7bx7cx78x25x18x3ax3ex10x7ex2ex13x2e x22x1x27x28x48xfx2x3ax3ex23x24x55x44x25x70x69x63x4ex2ax2x32x26x54x31x4dx78x51x62x5bx54 x26x31x23x24x18x38x12x46x3c[24]x78 x3ax3ex21x7fx62x5bx54x2x32x26x1x44x25x51x3ax4x25x51x3ax61xdx2ax7dx70x71x72x73x55 x56x78x25x26x54x55x56x2x66x49x54x48x10x67x2x52x53x54x3fx59x1dx72x3dx3e (Rational Ex- pectation Equilibrium, REE)x78x25x18x6cx75x54x5fx60x2x32x26x27x62x7ax4fx1ex31x54x7c x6ax69x78 x49x3dx3ex57x58x4fx2cx48 xdx7cx6axfx2x57xdx69x6axfx10x26x75x16x0x14x6fx1ex54x25x22x78 xdx69x6axfx54x79x4bx79x5ex2xdx23x25x51x54x15x6axfx78x49x3dx3ex42x43x2cx48x69x6ax7fx11x2fx5c x1x42x43x69x6ax3x7cx3bx69x6ax3x59x30x1dx69x6ax3x5xfx69x6ax9x78x42x43x69x6ax7fx11x2f x5cx1x6ax42x69x6ax3x69x42x69x6ax3x3cx27x69x6ax3x6x27x69x6ax9x78x5x75x48x70x73x23x25x0 x14x15x6ax54x43x25x5bx7ax6ex42x69x6ax48x24x5ex7dx3ex70x3cx19xdx69x6axfx78x79x67x4dx77x55x61 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x49x7cx6ax63x3x7cx6ax57x58x4fx9x4fx4ex24x58x3ax3ex25x18x75x5fx19x54xdx17x18xfx48x76 x22x44xfx5ex3dx3ex57x58x4fx2cx54xdx69x6axfx48x10x74x75x4x14x57x58x36x59x10x18x44x36x19x78 x25x26x54x7cx6ax76x22x5ax72xdx66x3dx3ex57x58x4fx2cx54x69x6ax76x22x48x47x57x7ex7fx69x1ex54 x7cx6ax6ex7ax51x70x62x61x4cx48x7fx51x17x36x57x54xcx62x62x7ax78x49x25x26x54x69x1ex56x48x3a x3ex53x4dx0x1x2ax4bx2ex3cx62x54xdx2bx3dxfx6ex51x54xdx7cx6ax6cxfx4bx4ex78x25x26x54x76x22 x49x44x29x74x64x10x7cx6ax54x69x1ex44x5bx2ex68x74x78x6fx2dx48 xdxex0x69xfx54x69x1ex33x38x5d xbx2ax3ax3ex10x11x6ax57x23x25x8x54x6ax61x1ex68x4bx2ex48x2x2ex2x79x41x42x51x3x62x54x7c x6ax6cx4bx4ex7e x1ax49x3ax3ex27x49x8x7cx6ax69x54x37x1fx62x7ax78x7cx6ax69x54x25x22x2x40x66x70x71x69 x54x70x2bx25x22x78x61x62x3ax3ex47x48x54x5fx60x40x66x70x2bx23x25x5fx36x54x74x64x70x71x4dx41 x54x69x25 ?. x1x61x28x6dx14x4fx48x3ax3ex73x47x48 ? x2x51x2ax69x54x74x40x78x33x34x21x22 xdx2bx3dxf(xdx11x70x71x5fx36xfx3 xdx11x3x2bx70x71x10x18x5fx36xfx3 xdx11x3x2bx70x71x75x70 x5fx36xfx3 xdx11x70x71x2ex5fx36xfx9x9)x67x2x25x2bx70x71x69x54x14x69x78x49x70x62x54x33x62 x56x48x21x51x23x25x5fx36x54xdx2bx3dxfx54x69x25x4dx41?x54x44x54x70x2b -x74x78x21x22?x54 -x74x2x5d ? x54x14x69x21x4dx41x54x69x25x48x10x10x14x69x54x51x3x66x5x12x4x40x69x5x12 x32x67(x4xdx2bx3dAx4x2bx3dBx5bx5fx36xfx3 xdx6fx31x2bx3dAx5fx36x48x6fx31x2bx3dB x5fx36xfx3 xdx2bx3dAx2ex5fx36xfx9x5bx2x2bx3d)x78x10x66x38x46xax63x2ex54x70x71x69?x23 x25x51x2dx2ex2ex10x54 -x74x78x15x60x54 -x74x73x51x78x2bx38x46x48x4x73x45x6ex72x69x4x7f x69x54F0 = f;;?g. x10x79x41x42x73x66x49x78x2bx2bx3dx2a xdx5ex5fx51x70x2bx70x71x5fx36xf x4xdx37x34x70x71x5ax2ex5fx36xfx78x15x2fx54 -x74x2?x54x21x51x14x69x54x51x69x78x25x18x48 x15x1fx2bx3dx5bx23x25x5fx36x78 ?x44x54x70x71x54 -x74xex5bx66x8x31x75x76x78x2exfx3cx8x48 x51x2ax69?x54x59x70x2b -x74 ?F,x5bx70x62x10x7?x54x70x64x33x34x48x4x48 ? = SIi=1 ?i, x6cx10x66x15x1fi 6= j, ?i \?j = ;,x53x68 ?F x67x2x26x25xb?i x54x51x4x66x21x36x41 x54x78x21x22 ? x44x54x17x18x79x48x67x2x5d ? x44x54x70x2b -x74x48x10x5fx60x61x4cx42x17 x10x7x54?x44x54x33x34x78x45x31x48 ? = f1;2;3;4g. x33x34?x54x70x64x33x34x23x25x2 217 ?0 = ff1;2g;f3;4gg. x58x17x10x7x54 -x74x2F0 = f;;f1;2;3;4g;f1;2g;f3;4gg. x70x71x27x70x48x15x49?x44x54x78x2b -x74F1 x4F2,x10x3ex75x76x2ex25x77x60x2fx78 xfx2x31x32x51F1 ‰ F2, x3ax3ex67xcF2 x77F1 x2fx78x10x23x24x69x1ex1x7cx6ax69F2 x77x7cx6ax69F1 xdx51x21x2ex54x7cx6axfx78x4dx70x69x4bx48x49x62x78x2b -x74F1x4F2x48x2e x23x10x3ex75x76x25x35x77x60x2fx48x3ax3ex51F1 \F2 x2x77x10x3ex5bx60x54x15x4ex54 -x74x48 x10x79x41x42x8x31x54xdx6ex63x7cx6axfx57x58F1 [F2 x70x71x27x70x2ex70x62x2 -x74x48xf x2x3ax3ex23x24x5dx10x4bx1dx1x45x6ex10x54x15x16 -x74x48x51x6cx2ex74x1cx44x1F1 [F2, x33x34x10x53x79x41x42x8x31x54xdx7cx6ax75x4xfx78x49x24x56x54x55x56x2cx48x59x2bx4fx1ex31i x5bx51x70x2bx7cx6ax69Fi. x33x34I x2bx4fx1ex31x54xdx6ex63x7cx6axfx69x67x2TIi=1Fi,x62 x3exfx51x54xdx21x51x6ex7dx7cx6axfx69x67x2SIi=1Fi. x25x26x54x7cx6ax69x54x25x22x17x71x3ax3ex49xbx4bx19x57xcx19x1fx78x49x8x53x33x24x5e x21x70x71x54x2bx3dx33x54x25x22x2cx48x3ax3ex4bx57x20x19x1f -x74x59x2x70x64x7ax7bxdx7cx6a x4bx27x4bx7bx5dxfx54x1fx6ax78x16x17x2x49x8x53x33x2cx48x31x32x51 N x2bx18x23x48x33x34x5 x54x70x71x69 ? x67x2x45x6e 2N x2bx70x71x54x69x25x78x10x54x15x2fx54 -x74FN x67x2x26 x25x2b2N x2bx38x46x54x69x25x54x21x51x14x69x21x4dx41x78x10x54x15x60x54 -x74xex2x650x2b x18x23x26x1ex2b?x36x41x54x78x2bx38x46x54 -x74F0. x58x5bx66x8x31x75x76x54x65kx2bx18 x23x54 -x74Fk xex2x5d?x33x34x12k x2bx14x69x21x36x41x54 -x74Fk. x28x42x18x23x54 x54x4ex48x25xb -x74(x7cx6ax69)x67x4bx27x4bx2fx78 x51x61x7cx6ax69x54x25x22x24x13x48x3ax3ex67x23x3bx10x27x23x37x42x43x44x59x2bx4fx1ex31 x21x6dx6ex54x7cx6ax70x75x78x3ax3ex13x1bx19x3ax3ex24xbx57x7fx65x63x54x55x56x44x2ax17xbx4 x50x27x78x2bx18x23x48 K +1x64x2cx68x48 S x64x50x27x70x71x48 I x2bx4fx1ex31x9x9x78xfx2 x3ax3ex2ex13x0x1x17xbx70x71x2x3cx62x54x48x58x2x0x1x59x2bx4fx1ex31 i x5bx51x45x6e S x2bx38x46x54x70x71x69?x44x54 -x74Fi x2ex1x10x54x7cx6ax69x78x2cx68k x54x17xbx4ax4b p(xk)x5ax2ex13x2x3cx62x6cx48x58x2x70x2bx28x29x2ax6c(x4S x75x24x6c)x78x26x66x10x5ax25 x36x41?x54x70x64x33x34(x4ax4bx70x26x54x70x71x40x41?x54x70x2bx14x69)x48x39x58x10x5ax25 x36x41x10x36x57x54x7cx6ax69Fp. x25x67x2xdx4ax4bx1cx27x54x7cx6axfx78x0x1x17xbx5ax2x2e x3cx62x54xdx15x2exfx28x69x1ex78x17x71x25x73x2x1x61x55x56x54x28x5cx78x21x25x69x54x55x56 x5ex5fx2x60x18x3ex2ax2bxbx3x2cx3ex3x2bx13x48x25x18x2cx3ex4x2bx13x5bx2x2ex3cx62x54x78x5d x17xbx3cx2ex2bxbx4x2cx3ex54x25x41x73x2x70x2bx28x5cx55x56x78 x49x25x26x54xbx20x56x48x4fx1ex31 i x53x47x48x65x1ax51x2cx72xdx54x2cx68x14x25x15x6d x7x8x5fx60x2ax39x2cx68x14x25 ,x53x68 8 < : max Ei[u(zi0;zi1)] s:t: zi0 = !i0 ?PKk=0 kp(xk); zi1 = !i1 +PKk=0 kxk: (1) x57x24xbx54x2ex10x75x73x49x66x65x8x2bx9x26x2x28x29x6cx54x9x26x48x65x70x2bx9x26x5ax2 x28x29x6cx54x9x26x78x58 Ei x2x4fx1ex31 i x54xdx74x76x25x27xfx56x54x68x4fx3ex2bx78x17x2c x10zi1 x39x68x4fx3ex2bx57x24xbx36x51x2ex4ex48x3fx48xfx2x25x27x23x24x2x4fx1ex31ix21x7c 218 x51x54x78xfx2x10x66zi0 x54x68x4fx3ex2bx51x77xcx5ax78x25x18x1bx7cx1dx51!i0 x7x8x2x2b Fi-x23x51x54x28x29x2ax6cx48x4x10x10x66Fi x10x7x54?x54x14x69x33x34x27x70x48x49x33x34 x54x59x70x14x69x44x10x2x7fx68x78x4dx70x69x4bx48x4ax4bp(xk)x7fx2Fp-x23x51x65x68x78x66 x2zi0 x7x8x2x2bFi [Fp-x23x51x65x68x78x4fx1ex31ix10x66zi0 x54xdx74x76x25x27xfx7 x8x10x66x25x2b -x74Fi [Fp x27x62x7ax78 3 x1ax49x61xdx51I x2bx25x26x54x4fx1ex31x48x10x3ex57xbx4bx54x70xbx61xdx70x14x40x41 x70x2bx3dx3ex42x43E(ui;!i;?). x72xdx66x24xbx54x65x63x48x3ax3ex23x24x62x7ax10x54x70x71 x72x73(ˉ i; ˉp)x1x9xax56x5cx78x38x3dx54x2cx68x14x25x64x4ax4bx14x2a 1. x10x66x15x1fi = 1;2;:::;I, ˉ i x2x17p = ˉpx18x54x5fx60(1)x54x1ex78 2. ˉ 1 + ˉ 2 +¢¢¢+ ˉ I = 0.4 x25x26x54x72x73x67xcx1x3fx59x1dx72x3dx3ex78x69x1dx1x3ex72x73x2x35x66x49x17x7ax5ax2x70 x2bx47x75x22x1x65x63x54x5fx60x78x2bx71x44x48x7ex7fx54x3dx3ex42x43x54x70x71x72x73x66x49x5f x60x73x2x10x54x70x2bxcx45(x21x51x7cx6ax69Fi x4Fp x5bx2x15x60x54x7cx6ax69)x48x17x2c x16x17x2x45x46x2ex7ex7fx42x43x54x54x70x71x72x73x66x49x5fx60x78x7bx7ex48x70x71x27x70x48x69 x1dx1x3ex72x73x2x2ex70x62x66x49x54x78xfx2x31x32x72x73x66x49x48x33x34x10x54x72x73x62x4a x65x68x21x20x48x54x7cx6ax69x48x67x23x3bx27x23x37x51x3ax42x43x78 x61x62x10x66x11x42x43x54x69x1dx1x3ex72x73x4ax4b ˉpx66x49x48x25x18 ˉpx2x62x7ax49x2c x68x54x50x27x4ax4bx44x54x28x29x2ax6cx6x65x68x78x10x66x70x2bx7cx6ax69F0 ‰F x27x70x48x68 x69E xcx1x14x4eF0 x24x14x2x5dx2ax10x66x15x1fi = 1;2;:::;I, F0 ‰ Fi [Fˉp. x25 x26x70x27x48x51x3ax42x43x54x33x72x67x23x60x54x68x21x0x68x3cx78x6ex63x7cx6ax69x23x62x7ax1T I i=1F i. x10xcx62x2x42x43x51x3ax54x78x25x64x51x3ax1dx67x2x44x25x51x3ax1dx78x6ex7dx7cx6a x69x7fx1fx62x7ax1SIi=1Fi. x7bx7ex48x25x51x3ax23x62x7ax1 8i = 1;2;:::;I; I[ i=1 Fi ‰Fi [Fˉp: x25x70x38x3dx2ex70x62x9xax78x31x32x10x9xax48x67x79x41x42x25x70x72x73x2x70x64x7cx6ax11 x49x4ax1bx1cx54x69x1dx1x3ex72x73x78xfx2x31x32x21x51x6ex7dx7cx6ax5bx11x7ax7bx49x4ax4bx7cx6a 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Lucas (1937–)x77x50 1995x2x6fx1x7ex58x59x33x68x62x47x2b x37xex24x60x34x0x4ax5cx3ax47x55x3cx4dx5x41x56x12x53x47x3cx30x58x59x77x4fx3x39x20x41x47x36x1ax52x58x59x2 x79x20x5cx20x29 x3cx47x6x11x12x58x59x33x7x4ex4fx5cx3ax47x55x5ex11x2ax26x20x47Radner x33x36x20x63x36x29xb x3bxexfx62x47Radner x2ex2cx20x11x12x5cx5dx3bx56x58x59x5ex11x7fx18x20x73x1ax29 Radner [26]x47xbx1 x11x30x31x20x28x37x5bxdx29 x56 Jordan–Radner [16]x47x5cx3ax47x55x5ex11x2cx6x36x6cx30x31x20x3bx14x58 xdx29x2bx3f Lucas [23] x4ex34x37x25x6fx5cx5dx2ex2cx3fx3bx14x3ex3fx20x5cx3ax47x55x5ex11x7fx18x29 LeRoy [18]x28x47x3bx3dx2ax26xex41x5cx4fxfx4dx5cx20x25x6fx5cx5dx20x58xdx4fx2ex5x13x50x3bx1fx29 x4ax5cx3ax47x55x5ex11x4dx4ex4fx11x12x5cx5dx7x20x50x4bx63x5ex19x3cx36x25x2bx45x1ex20x3ex10x5xbx47x2b x37x50x4bx27x4a -x6dx4dx43x46x16x17x18x1cx19x5cx20x20x50x4bx27x25x38x9x20x37x76x29x6fx3bxax24x16x20x4ex4f x47x15x7bx48x70x20x5bx30xex41x7ax36x16x17x20x7ax32x5x3ex3bx4dx4ex4fx1cx3fx16x17x4bx5ex50x4bx20xcx30x29xb x17x48x50xex41x42Green–Lucasx5ex11x20xexfx29x25x27x4ex4fx48x7cx7aLaffont [17]x5x47x2fx4ex47x50 x4bx58x59x33x1x11x20x44x6bx29 x27x53x25x6fx5cx5dx5cx4fx20x30x31x4ex4fx31x4x3dx26x29xax35x47x60x58x59x7cx37x11x12x33x20x3fx65x5xb x1x11x20x57x4fx2ax47x28x77x51x79x29x19x1ax6x4x11x6ex58x2bx2cx47x2bx61x25x27x20x4fxdx29x1fx4x7x5x19x1a x79x5x6x26x6dx47x3bx5a Lo–MacKinlay x20x4fxdx5x15x28x36x37x3bxax31x4x37x38x1cx18x20x30x1x66x9 x3dx73x38x29x7dx53x7cx37x11x12x33x18x25x6fx5cx5dx5cx4fx20x27x28x4fxdx5 x1fx70x48x7cx7a Shleifer [29] x7c Shiller [30]x29 x44x30x23x41x45x23 1. x37x34x2x51x3ax42x43x61xd(EMH)x7ex3ax10x7ex51x1fx3cx55x7e 2. x4cx5bx74x56x54x2cx68x42x43x5bx59x4fx40x6fx33x14x3x26x7bx33x14x69x55x7ex3ax0x1x25 x72x69x55x2x35x51x17x66x49x4ax6x7ex51x7dx0x1x48x25x72x69x55x24x3bx66x5fx1cx5x2ex48 x58x51x3ax42x43x61xdx24x25x3dx1cx5x2ex48x10x7ex48x3ax51x37x34x3cx55x7e 3. x37x34x2x28x29x1ax2ex61xdx7ex10x57x4ax40x26x54x51x3ax42x43x61xdx51x37x34x3x4cx7e 4. x37x34x2 -x74x7ex32x26x27x69x1ex3bx10x27x62x7ax4fx1ex31x54x7cx6ax69x7e 5. x37x34x2x69x1dx1x3ex72x73x7ex32x26x3bx10x27x62x7ax44x25x40x26x4x25x40x26x54x51x3a x42x43x7e 6. 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J., 2003, From efficient market theory to behavioral finance, Journal of Economic Perspectives, 17:1, 83–104. x5cx5d(x5ex3ax36[22], 6–8x15)x2ax24x14x68x69x2ex2fx10x1bx57 x51x70x2bx49x57x58x4fx59x3ex2cx77xbx59x11x54x31x7ax3fx48x70x2x70x6ex57x58x4fx59x57 x62x54x10x24x49x6x7ex44x76x57x48x5fx1ax1ex44x51x70x0 100 x6bx38x78x3bx17x62x54x10x24x75 x1dx57x5dx10x43x14x27x18x48x57x58x4fx59x70x2a xdx1fxcx1x7ex61x21x7ex31x32x10x3bx2100x6b x38x48x5x67x11x7dx43x2ex61x78xf x25x2bx57x58x4fx36x37x54x1ex19x45x14x48x10x66x51x3ax42x43x61xd(Efficient Markets Hypothesis) x54xcxdx31x27x70x48x23x70x2x1fx20x3bx42x48x4fx2cx75x7ex78x51x3ax42x43x61 xdx2x49x1ex2bx6x4dx4ex4fx2cx15x11x7dx1ax63x2ex5ex3x7ax1xcxdx54x4x60x75x70x78x10x54 x62x29x8x10x1ex28x6dx48x10x66x4fx7bx64x28x4x45x3x71x4x5bx51x79x41x22x3dx54x76x63x48x58 x10x7ax6ax10x54x57x52x2cx68x1cx7ax51x12x7dxfx21x54x7ax22x78x4x53x57x1fx60x29x46x54xcxd x24x58x68x24x54x6bx54x63x64x5fx60x24x13x48x57x58x4fx59x3ex1cx7ax10x66x42x43(xcx3fx2x3dx3e 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