When economists talk about utility, they are referring to: A. the amount of money a customer pays for a good or service.
B. the level of satisfaction a customer gets from a good or service.
C. the cost to produce a good or service.
D. the degree of skill needed to produce a good or service.

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada