Sure there is equilibrium. Differentiation on price points, quality, service and length of lines will balance things out. That said, the difference between a t

Sure there is equilibrium. Differentiation on price points, quality, service and length of lines will balance things out. That said, the difference between a third ice cream cart and a 30th ice cream cart in the area is great. But then, the market should correct itself so that the optimal number of ice cream sellers are available.