π‘ Game?
The happiness of each participant with the outcome depends not just on his or her own decision but on the decisions made by everyone.
κ²μ μ°Έκ°μλ€μ κ²°κ³Όμ λν λ§μ‘±μ κ°κ°μΈμ κ²°μ μ μν΄μ κ²°μ λλ κ²μ΄ μλ λͺ¨λμ μν΄μ κ²°μ λλ κ².
π Game μκ°
- λ νμ¬κ° μλ€.
- κ° νμ¬λ μ κ° μν (Low pirced)μΌλ‘ λ§μΌν ν μ μκ³ , κ³ κΈ μν (Upscale)μΌλ‘ λ§μΌν ν μ μλ€.
- μλ κ° νμ¬μ μ νμ λ°λ₯Έ μ΄μ΅ λΉμ¨(Payoff)κ° μλ€.
νμ¬ B - μ κ° μνμΌλ‘ μμ₯ κ³΅λ΅ | νμ¬ B - κ³ κΈ μνμΌλ‘ μμ₯ κ³΅λ΅ | |
νμ¬ A - μ κ° μνμΌλ‘ μμ₯ κ³΅λ΅ | A: 0.48 B: 0.12 | A: 0.60 B: 0.40 |
νμ¬ A - κ³ κΈ μνμΌλ‘ μμ₯ κ³΅λ΅ | A: 0.40 B: 0.60 | A: 0.32 B: 0.08 |
- Rational Playλ₯Ό ν΄μΌ νλ€.
π κ²°κ³Ό
κ³Όμ° λ νμ¬λ μ΄λ€ μ νμ ν κΉ?
μ΄ κ²μμ ν νμ¬λ§ Strictly dominant strategyλ₯Ό κ°κ³ , λ€λ₯Έ νμ¬λ κ°μ§ μμ κ²μ΄λ€.
μ payoffνλ₯Ό 보면 νμ¬ Aλ 무쑰건 μ κ° μνμΌλ‘ μμ₯μ 곡λ΅ν κ²μ΄λ€ (strictly dominant strategy)
κ·Έλ¬λ νμ¬ Bλ νμ¬ Aμ λ°λΌ μ λ΅μ΄ λ°λκΈ° λλ¬Έμ strictly dominant strategyλ₯Ό κ°μ§ μ μλ€.
ν νμ¬λ§ SDSλ₯Ό κ°λλ€λ©΄ κ³Όμ° λμ κ²°κ³Όλ₯Ό μμΈ‘ν μ μμκΉ?
κ°λ₯νλ€.
μλνλ©΄ νμ¬ Bλ rational playμ λ°λΌ λ μ΄μ΅μ΄ λ¨λ κ³³μ μ νν κ²μ΄λ€.
νμ¬ Aλ 무쑰건 μ κ° μνμΌλ‘ μμ₯ 곡λ΅μ ν κ²μ΄κΈ° λλ¬Έμ, Bλ κ³ κΈ μνμΌλ‘ μμ₯ 곡λ΅μ ν΄ μ΄μ€μ λ¨κΈΈ κ²μ΄λ€.
λ°λΌμ νμ¬ Bλ μΈλ©° 겨μλ¨ΉκΈ° μμΌλ‘ 무쑰건 κ³ κΈ μνμΌλ‘ μμ₯ 곡λ΅μ ν κ²μ΄λΌκ³ μμΈ‘ν μ μλ€.
'Software Application > Game Theory' μΉ΄ν κ³ λ¦¬μ λ€λ₯Έ κΈ
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