EC 110 Lecture Notes - Lecture 12: Human Capital, Lorenz Curve, Marginal Revenue
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4 Jun 2018
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Chapter 13: Resource Markets with Applications to Labor
1. Important Concepts
1. Marginal Revenue Product (MRP)
1. A downward sloping demand curve that tells the firm hiring (ex. labor)
what that resource contributes to the revenue of the firm at the margin of
each additional unit
2. Equation:
1. MRPL = MPPL x MRX
2. MRX is PX in perfectly competitive product markets
3. x is the product produced
2. Marginal Factor Cost (MFC)
1. The cost of each additional unit of resource utilized by the firm
3. Profit Maximization
1. More of the resource should be added until MRP = MFC
2. For more than one resource:
1. MRPL = MRPK ā¦ MPPN = 1
MFCL MFCK MFCN
2. L ā labor
3.
4. K ā capital
5. wage rate can substitute for MFC in a perfectly competitive market
4. Cost Minimization
1. Criterion:
1. MPPL = MPPK ā¦ MPPN
MFCL MFCK MFCN
2. wage rate can substitute for MFC in a perfectly competitive market
5. Derived Demand
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