利润管理及经营管理知识分析(ppt 105页)

利润管理及经营管理知识分析(ppt 105页)简介：

A firm uses inputs j = 1…,m to make products i = 1,…n.
Output levels are y1,…,yn.
Input levels are x1,…,xm.
Product prices are p1,…,pn.
Input prices are w1,…,wm.

Output and input levels are typically flows.(流量）
E.g. x1 might be the number of labor units used per hour.（每小时劳动投入量）
And y3 might be the number of cars produced per hour.（每小时产出量）
Consequently, profit is typically a flow also; e.g. the number of dollars of profit earned per hour.

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