¹Ì½Ã°æÁ¦ÇÐ º¹½À (2)


  1. »ý»ê°ú ºñ¿ë

    1. »ý»ê ÇÔ¼ö

      • »ý»ê ÇÔ¼ö (production function) cf. È¿¿ëÇÔ¼ö (utility function)
        Q = f (L, K)
      • ÃÑ »ý»ê¹° / Æí±Õ »ý»ê¹° / ÇÑ°è »ý»ê¹°
        ³ëµ¿ÀÇ Æò±Õ »ý»ê¹° (average product of labor) APL = Q / L
        ³ëµ¿ÀÇ ÇÑ°è »ý»ê¹° (marginal product of labor)MPL = dQ / dL
      • ¼öÈ® ü°¨ÀÇ ¹ýÄ¢ (law of diminishing returns)
        ÇÑ°è »ý»ê¹° ü°¨ÀÇ ¹ýÄ¢ (law of diminishing marginal product)

    2. µî·®¼±

      • µî·®¼± (isoquant) : iso = µî, quant = ·®; cf. ¹«Â÷º° °î¼±
      • ÇÑ°è ±â¼ú ´ëüÀ² (MRTS: marginal rate of technical substitution)
        cf. ÇÑ°è ´ëüÀ² (MRS: marginal rate of substitution)

    3. ´Ü±â ºñ¿ë ÇÔ¼ö

      • Q = f(L, K0)
      • ´Ü±â ºñ¿ë°ú »ý»ê ÇÔ¼ö
        STC = wL + rK0
      • °íÁ¤ ºñ¿ë (FC: fixed cost) / °¡º¯ ºñ¿ë (VC: variable cost)
      • Æò±Õ ºñ¿ë (AC: average cost)/ ÇÑ°è ºñ¿ë (MC: marginal cost)

    4. Àå±â ºñ¿ë °î¼±

      • Àå±â Æò±Õ ºñ¿ë °î¼± (LAC: long-run average cost)
      • ±Ô¸ðÀÇ °æÁ¦ (economies of scale) / ±Ô¸ðÀÇ ºÒ°æÁ¦ (diseconomies of scale)

  2. ¿ÏÀü°æÀï½ÃÀå

    1. ¿ÏÀü °æÀï ½ÃÀåÀÇ Á¶°Ç

      • °¡°Ý ¼øÀÀÀÚ (price taker) cf. °¡°Ý ¼³Á¤ÀÚ (price maker)
      • °³º°±â¾÷ÀÌ Á÷¸éÇÏ´Â ¼ö¿ä °î¼±

    2. ´Ü±â ±ÕÇü

      • °³º° ±â¾÷ÀÇ ´Ü±â ±ÕÇü
        ÀÌÀ± ±Ø´ëÈ­ Á¶°Ç : MR = MC
      • P = AR = MR = MC
      • ±â¾÷ÀÇ ´Ü±â °ø±Þ °î¼±
      • »ý»êÀÚ À׿© (producer's surplus)

    3. Àå±â ±ÕÇü

      • Àå±â Á¶Á¤ °úÁ¤
      • P (=MR) = SMC = LMC = SAC = LAC
      • »ê¾÷ÀÇ Àå±â °ø±Þ °î¼±:
        ºñ¿ë ºÒº¯/ Áõ°¡/ °¨¼Ò »ê¾÷

  3. µ¶Á¡

    1. µ¶Á¡±â¾÷ÀÇ ÀÌÀ± ±ØÀçÈ­

      • µ¶Á¡ ±â¾÷ÀÇ ¼ö¿ä Á¶°Ç (P > MR)
        Why MR < P ?
      • ÀÌÀ± ±Ø´ëÈ­ (MR = MC)
      • µ¶Á¡ °¡°Ý
      • µ¶Á¡°¡°Ý (Pm) vs. °æÀï°¡°Ý(Pc)

    2. µ¶Á¡ÀÇ »çȸÀû ºñ¿ë

      • ÀÚÁß ¼Õ½Ç (dead-weight loss)

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