In the last few decades, women's earning power has increased, yet they continue to do more domestic work than men. the text notes that when a woman's earnings surpass that of her husband's, the husband often quits doing housework. from a sociological perspective, we might attribute this to

When a man starts to stop doing housework because the woman out-earns him, I think this falls into their role in the family. It is not about a stereotype, kind of understanding. But there is a link on gender instincts of doing chores. The man may try to look for a way to earn more. On the other hand, a woman who earns more receives more pressure and is not at ease and may tend to do more household work. 

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