Economic Profit versus Accounting Profit
销售收入(美元)90000, 减:售出货物的成本40000,毛利50000, 减:显性成本:广告10000,折旧10000,水电煤气 3000,财务税2000,杂费5000,计30000。 会计利润(考虑隐性成本前的利润)20000,
∂L/∂l = w - λ(∂f/∂l) = 0 ∂L/∂k = v - λ(∂f/∂k) = 0 ∂L/∂λ = q0 - f(k,l) = 0
Lee, Junqing
Department of Economics , Nankai University
Lee, Junqing
Department of Economics , Nankai University
Lee, Junqing
Department of Economics , Nankai University
Definitions of Costs
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Definitions of Costs
It is important to differentiate between accounting cost and economic cost
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the accountant’s view of cost stresses out-ofpocket expenses, historical costs, depreciation, and other bookkeeping entries economists focus more on opportunity cost
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Cost-Minimizing Input Choices
we could examine how a firm would choose k and l to maximize profit