“…Our assumption of convex entry costs slows entry during booms, which helps match the volatility of entry rates and their relationship to asset prices. This convexity can have multiple interpretations, from diminishing quality in managerial ability (Bergin et al, 2017) to congestion effects at firm creation (Jaef and Lopez, 2014) -perhaps due to a limited supply of Venture Capital needed to finance and monitor entrants (Loualiche, 2016). The entry cost κ j,t is subject to industry-specific and aggregate shocks:…”