Joan spends all her time making baskets, she makes four baskets a day, while Mark makes one basket. If, instead, they spend all day making staplers, they each make two. Who has a comparative advantage in baskets?

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

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