利潤管理及經營管理知識分析(ppt 105頁)

利潤管理及經營管理知識分析(ppt 105頁)簡介：

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.（每小時勞動投入量）
And y3 might be the number of cars produced per hour.（每小時產出量）
Consequently, profit is typically a flow also; e.g. the number of dollars of profit earned per hour.

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