he competitive market model depends on the following three core assumptions: 1. There must be many buyers and sellersa few players can't dominate the market. 2. Firms must produce an identical productbuyers must regard all sellers' products as equivalent. 3. Firms and resources must be fully mobile, allowing free entry into and exit from the industry. There are several dozen crust makers that distribute their frozen products to hundreds of pizza shops nationwide. The shop owners source crusts from the cheapest available producer