Independent, simultaneous decisions about amount of output, which is the main point of competition, characterize a model named for this man. For 10 points each:
[10m] Identify this French economist who names a duopoly model that contrasts with the price-based Bertrand model.
ANSWER: Antoine Augustin Cournot
[10e] Both the Cournot and Bertrand models demonstrate this game theory condition, in which all participants' strategies are known to each other and no participant can choose a better strategy as a result.
ANSWER: Nash equilibrium
[10h] The equilibrium point in a duopoly is found at the intersection of two curves representing this function for each firm, often denoted q1 and q2.
ANSWER: best response function [or reaction function]
<Matt Weiner , Social Science - Economics>