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"I argue that progress in understanding economic development (as in other branches of economics) must come from the investigation of mechanisms; the associated empirical analysis can usefully employ a wide range of experimental and non-experimental methods. I discuss three different areas of...
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It is now established that mortality and excess mortality from COVID-19 differed across racial and ethnic groups in 2020. Less is known about educational differences in mortality during the pandemic. We examine mortality rates by BA status within sex, age, and race/ethnic groups comparing 2020...
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By buying cheap and selling dear, risk-neutral commodity speculators can smooth commodity prices and induce serial dependence in price even when none would exist under a simple process of supply and demand. Commodity prices are variable and strongly positively correlated from one year to the...
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People in poor countries live shorter lives than people in rich countries so that, if we scale income by some index of health, there is more inequality in the world than if we consider income alone. Such international inequalities in life expectancy decreased for many years after 1945, and the...
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