If I have to test this puzzle, keeping all other variables constant, considering transaction costs, for example, application costs and search costs. The concert industry represents a greater amount of application and search costs than the film industry and therefore it is a sensible way for the concert industry to separate the price of seats, which will allow the concert industry to maximize profits. On the other hand, if there are no application costs and search costs in both industries, the production costs of concerts are also much higher than those of the film industry. Therefore, whatever the transaction costs and production costs, the costs for concerts are higher than those of the film industry, it makes sense for concerts to set different prices for seats while the enforcement costs for setting different prices for seats are too expensive in the film industry, so the cinema should unified seating