demandsupplymarketequilibrium(编辑修改稿)

demandsupplymarketequilibrium(编辑修改稿)内容摘要：

g the others constant • Sign of parameter shows how variable is related to Qs • Positive sign indicates direct relationship • Negative sign indicates inverse relationship s I r eQ h kP lP m P n T rP sF      Managerial Economics 215 General Supply Function Variable Relation to Qs Sign of Slope Parameter P Pe F PI Pr Direct Direct Direct Inverse Inverse Inverse for substitutes k = Qs/P is positive l = Qs/PI is negative m = Qs/Pr is negative m = Qs/Pr is positive r = Qs/Pe is negative s = Qs/F is positive Direct for plements n = Qs/T is positive T Managerial Economics 216 Direct Supply Function • The direct supply function, or simply supply, shows how quantity supplied, Qs , is related to product price, P, when all other variables are held constant • Qs = f(P) Managerial Economics 217 Inverse Supply Function • Traditionally, price (P) is plotted on the vertical axis amp。 quantity supplied (Qs) is plotted on the horizontal axis • The equation plotted is the inverse supply function, P = f(Qs) Managerial Economics 218 Graphing Supply Curves • A point on a direct supply curve shows either: • Maximum amount of a good that will be offered for sale at a given price • Minimum price necessary to induce producers to voluntarily offer a particular quantity for sale Managerial Economics 219 A Supply Curve (Figure ) Managerial Economics 220 Graphing Supply Curves • Change in quantity supplied • Occurs when price changes • Movement along supply curve • Change in supply • Occurs when one of the other variables, or determinants of supply, changes • Supply curve shifts rightward or leftward Managerial Economics 221 Shifts in Supply (Figure ) Manageria。