Kevin is a retired teacher who lives in Philadelphia and teaches tennis lessons for extra cash. At a wage of $40 per hour, he is willing to teach 7 hours per week. At $50 per hour, he is willing to teach 10 hours per week. Using the midpoint method, the elasticity of Kelvin's labor supply between the wages of $40 and $50 per hour is approximately, which means that Kelvin's supply of labor over this wage range is:.

Because this market is a monopolistically competitive market, you can tell that it is in long-run equilibrium by the fact thatmr=mc at the optimal quantity for each firm. furthermore, a monopolistically competitive firm's average total cost in long-run equilibrium isless than the minimum average total cost. true or false: this indicates that there is a markup on marginal cost in the market for engines. true false monopolistic competition may also be socially inefficient because there are too many or too few firms in the market. the presence of the externality implies that there is too little entry of new firms in the market.