That some cities are vibrant while others are in decline is starkly apparent. In The Wealth and Poverty of Cities, Mario Polèse argues that focusing on city attributes is too narrow. Cities do not control the basic conditions that determine their success or failure as sources of economic growth and well-being. Nations matter because successful metropolitan economies do not spring forth spontaneously. The values, norms, and institutions that shape social relationships are national attributes. The preconditions for the creation of wealth-the rule of law, public education, and sound macroeconomic