A supplier and a buyer, w

A supplier and a buyer, w

A supplier and a buyer, who are both risk neutral, play the following game.1. the buyer orders a good of quality q>=0 from the supplier and promises to pay s>=0.2. The supplier decides which quality q’>=0 to deliver.3. The buyer observes q’ and decides how much to pay (s’>=0) for the delivered qualityThe buyer’s payoff is q’-s’, and the supplier’s payoff is s’-C(q’), where C() is a strictly convex function with C(0)=C'(0)=0. These payoffs are commonly known.What is the subgame perfect equilibrium of this game?

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