Determine whether each of the following scenarios best reflects features of Sweezy, Cournot, Stackelberg or Bertrand duopoly:
a) neither manager expects her own output decision to impact the other manager's output decision.
b) each manager charges a price that is a best response to the price charged by the rival.
c) The manager of one firms gets to observe the output of the rival firm before making its own output decision.
d) the manager perceives that rivals will match price reductions but not price increases.