Meina Plaisir - Determinants of Demand 32024 + B IUS A E FACTOR 2 Market Size If the number of consumers increases or decreases, the market size also changes. Such a change usually has a corresponding effect on demand. Suppose that the town of Montclair is on the ocean. Each summer, thousands of tourists rent beachfront cottages there. As a result, the size of the population and the market grows. So what do you think happens to the market demand curve for pizza in Montclair in the summer? Check the two graphs at the top of the next page. Population shifts have often changed the size of markets. For example, in the last 30 years, the Northeast region of the United States lost population as many people moved to the South or the West. The causes of the population shift included the search for a better climate, high-tech jobs, or a less congested area. 1. What would happen to the demand for a product if there is an increase in the number of buyers in the marketplace