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λϴ ?!

[ڵ Ѹ]

λϴ ?

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λ縦 ϰ Ǹ ̿ Ȳϰ ߴٰ Ѵ. ϱ ϰ 繰̳ Ҽϰ ޾Ƶ ʴ ǥ ִ ȭ. ó ̱ ӿǴµ ɸ DZ⵵ ,  뺧 л ޴µ ũū ذŸ ۿ ǽ .

 

ڰ ƴ ӿ ұϰ 뺧 л Ͽ. ׸ 'ƼǮ ε' ȭ Ȱ ȣ  ,  ̷е  θ ˷ ƴ. 


1928 ź ƮϾ ʵ忡 ¾. ״ 13 Ǵ ʵ Į Ͽ п Ư ٰ Ѵ. ׷ ̰ ϸ ű⿡ 米 ģ ︮ ߰ ϱ⵵ ߴ. б Ե ׸ Ʒ ڿ ڽŵ бȰ ̸ Ҿ ȴ.

 

17쿡 īױ νƼƩƮ ũ б ް  ϰ ȴ.  ߰ϰ, ϵ ߴ. Ⱓ аôȸ ̳ Իϴ ϰ Ǿ, Ϲ, ī, ϰ κ 㰡 ް ȴ. ڽ Ϲ忡 ⸦ ϴ ְ б ް ϰ ȴ. Ͽ ˹Ʈ νŸΰ ̸ ڵ ϰ ־.

 

Ͽ ϰ ڿ б ⼮ ʰ ȥڼ ο ߴ. ״ 2 ؼ ٴ â ڽŸ ̷ Ͽ Ѵ. ̿ νŸ 鼭 뼺̷ ġ⸦ ϴ л̶ ũ ¢ٰ Ѵ.

 

1949 21 Ǵ ؿ 뺧 л  ⿩ ̷ ϰ ȴ. ̷ ó п ̿Ǿ ̳ ܵ ൿ, а پ Ǵ ̷ ޱ⿡ ̸.

 

1952 MIT л ġ Ⱓ Ƿ üǸ鼭 ٹϰ ִ RANDҿ ĸ Ѵ. 58⿡ ڽ ڿ ȥ ϰ 巯 ϸ鼭 ᱹ ȥ ġݰ ȴ.

 

  źп ġ , ״ ⸦ ƴٴϸ ȥ ߾Ÿų, ǽ ĥ ȣ ä ൿ ϸ ķ۽ ƴٴѴ Ͽ ̶ Ҹ⵵ Ѵ.  ̷ źп 90뿡 ġ ״ ко߿ ؼ ǥѴ. 90 ߿ θ ް Ǹ鼭 װ ٶ (ȸǿ ְ ڿ ִ ) ƴϾ 94 뺧 л ϴ Ȱ ȴ.
                                         
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  1. ġ
    ġ | 04.07/24 11:22
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    ̱ ϴб а ȣ Դϴ.

    ̷
    ̷,,
    ------------------------------------------------
    1. ƴ㽺̽ : װ ϱ , ׷ϱ 1 ڶ ִ ü Ȥ öڵ̾ - ̵ : ޺ϴ ȸ Ȳ ӿ ο ʿ䰡 ϰ εǾ .

    15⸦ Ͽ ϸ鼭 ġ Ŀٶ ȭ Ÿ ߴ. ȸ Ǹ ǹ ߿ϰ Ͽ, ̵ ߱ϴ ״ ൿ Ҵ. ׷ Ҿ ߿ ̶ Ӹ Ǿ.

    ׷ٰ ؼ ġ ߱ ⵵ ׵ ɰ ۿ . ׵ ȥ ϰ ־, ̰Ͱ 縳ϱ ٴ νϰ ¿ ߴ. ó ϶ ħ ް ƿ 鿡 £ ̰ܾ ϴ Ȥ ƴ .

    ̿ Ȯϰ ħǥ ٴµ 󰡷μ ̽ ִ. ״ ̰ ġü ο , ̻ å ʰ ߱ ְ Ǿ.

    ̽ ' ʴ (invisible hand)' ߴ. ο ͸ ص ʴ ̸ ̵ Ǵ ̲ شٴ ̴.


    2. ݰ : ƴ㽺̽ ε ڽ شȭ ߱Ҷ ο ðŶ ̷ Ѵ..

    ŷīݹ߰ "" ģ ٿ ... 츮(ڽ ټ ģ)
    ְ ̵ ּ ϸ ? ϰ ݹѴ.
    , ΰ ݹ߿ ᱹ ̰ų Ѹ õȴ.. ü() ̵ .

    ׷ٰ ؼ Ͽ "" ģ鿡 װ ģ ˰ ̸, ݹ߶ ڽ ó ̴. ƹ ٰʰ ε Ȳ ̸, 츮 츮 ä ְ ȴٰ Ͽ..

    , ü ̵ յǴ ε ּ ¸ ü ̵ ְ Ǵ ̶ ̴.

    3. ̷п ռ... ̷̶..

    : ̷ (Cournot, 1838), Ʋ(Bertland, 1883) ڿ Ͽ ۵.
    1950⿡ (Nash) (bargaining)̷п ǥ
    ư(Selten, 1965) ϻ(Harsanyi, 1967~1968) ̷ Ȯ ӿ ʿ ο ´µ, ̴ Ͽ. //// ư,
    ̺κ ƴ϶ ̹Ƿ ϰڴ.. ׸ Բ 뺧 ͸ ˾Ƶֵ Ǹϴ...^^

    ᱹ. ̷ ڰ " ȣۿ" ַ ٷµ, ַ ڰ и 巯 Ȳ мѴ.

    4. (Nash Equilibrium)
    ڰ ־ ڼ̰ ¦ ̶ Ѵ.

    5. EXAMPLE : prisoners' Dilemma - ̰ Ŵ.

    1, 1 簡 ˰ߴ. ׷ ִ ¶ ε ڹ ̴ Ұ Ұϴ. ׷ ´. ڸ 濡 ݸ ˷ ־. " ڹ ϴ ʾҴµ ٸ ڹ ϸ ڹ Ư Ǯ 10 ¡ ˴ϴ. ݴ Ÿ ڹ ϰ Ǹ Ư ް ˴ϴ. ڹϴ 쿡 5 ̸, ڹ 1 ް Դϴ."

    Ȳ 1 2 confessϴ Domanant Strategy̴. (C,C) Dominant Strategy Equilibrium ȴ. ڴ 5⾿ ¡ ȴ.
    캸, ο Ҹ ظ ´ٴ ߰ ִµ, װ not confessϸ 1⾿ ¡ Ǵµ λ ϰ 5 ¡ Ǵ ּ ̶ ߿ ̴.

    ׷ ϴ´ٴ θ Ǵ ƴϰ Ȯ ־߸ ϴ. ̷ ո(individual rationality) ո(collective rationality) ̿ .
    "˼ " " " ȣ ִ. ׷ ȣ ȣ ̶ ϸ ο ֹǷ (R > P) "ķ (Pareto-inferior)" ȴ. ո (̱) ԰ ȣ ۿ ȸ ( ) ȣ ϴ ұϰ ϴ ȴ.

    ̷ ġ ٷ "Ⱥ (Dilemma of Security)"̴. ̱ ҷ ٹ ڸ, ٶ ڱ ٹ⸦ ϰ () 뱹 ٹ ̻ ʴ ̸ (), 籹 ٹ ̻ ʴ ִµ (ȣ : ʰ ٸ о߿ Ѵٰ غ ), 籹 ȣ ƴ϶ ٹ ϴ ȣ ٴ ̴.

    ̰ ᱹ ɸ Ⱥ ߿ ̽ ̱ , 籹 Ѵٴ ȣۿ ⺻ ߻ϴ ̴.

    6. 𵨰

    ̷ 뿡 Ǹ Ϲ ڸ 𵨿 ⺻ ذ Ǿ Ѵ. ϴٽ ƴϴ. ΰ踦 мϴ ȸ κ ϰ, ϰ, ϴ ΰ ڸ, ̷ , üʹ ٸ ϴ ؾ Ѵ.

    ڴ "" ü "籸 (Reconstructed Reality)" ؾ Ѵٴ Ѵ. ,  ڰ мѴٸ ɼ ġ ( ġ, ġ, Ȳ, ̱ Ȳ, Ȳ, , , , ΰ, ֹ , , Ÿ ) Ͽ  ϴ ̴.

    ڴ ڽ ǴϰǴ 忡 ߿ ġ мϴ ̴. ̰ ġ پ ϰ Ϲ Ÿ μ, , , ̷ , ̷ , ġ  巯 ִ.


    7. "ݺ ˼ "

    ݺ ӿ ٸ Ÿ ̶ ִ.
    ѹ Ⱥ ̰ ã ո ̾ ȣ̶ ġ Ǵ ־..

    ݺȴٰ غ.. cool ڲ ݺ ´.. ˻ rick Ȱ Ѵ.. 츮̿ ȣ hwang շ , ݸǾ ִ.. ׷ ȸ ٸ ܳ. ٷ ̷ ̴...
    鼭 ε ? ȣ Դٹ ϴ ź
    ݰ ȴ.

    , ° ȣ ׷ ϸ,
    ѹ Ⱥ Ҽ پ ۿ ٴ ٷ װ̴.
    ۾
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