“…Dynamic games usually have multiple equilibria. To simplify the analysis, we follow Clerides and Hadjiyiannis () by focusing on a stationary equilibrium in which the monopolist chooses a constant price path for new vehicles at every period; that is, there is only one price for new vehicles in all periods. This implies that the market outcome will be identical in every period such that the prices of new and used vehicles, and clunkers are constant at every period, , , for all , and then market demand for new vehicles is also constant at every period, for all .…”