At LeHair, a hair salon in Paris, reservations for haircuts are essential. At LoulouHair, a hair salon in the outskirts of Paris, reservations are recommended. At Coupe au Carré, a hair salon in Provence, reservations are not accepted.

Do the three hair salons make use of the market price to allocate scarce resources? How do the methods of allocating their resources used by the three salons differ?