Consider a Version of the Tragedy of the Commons in Which

Multiple Choice

Consider a version of the Tragedy of the Commons in which herder 1 and 2 simultaneously choose to graze quantities of sheep $q _ { 1 }$ and $q 2$ ,respectively.If herder 1's payoff function is $q _ { 1 } \left( 100 - q _ { 1 } - q _ { 2 } \right)$ ,his or her best response function is

A) $q _ { 1 } = 50 - q _ { 2 } / 2$ .
B) $q _ { 2 } = 50 - q _ { 1 } / 2$ .
C) $q _ { 1 } = 100 - q _ { 2 } / 2$ .
D) $q _ { 1 } = 100 - q _ { 2 }$ .