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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...
Persistent link: https://www.econbiz.de/10005782907
The authors investigate nutrition and expenditure in rural Maharashtra in India. They estimate that the elasticity of calorie consumption with respect to total expenditure is 0.3-0.5, a range that is in accord with conventional wisdom. The elasticity declines only slowly with levels of living...
Persistent link: https://www.econbiz.de/10005833943
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The permanent income hypothesis implies that, for any cohort of people, inequality in consumption and income should grow with age, a prediction that is here confirmed using data from eleven years of household survey data from the United States, twenty-two years from Great Britain, and fourteen...
Persistent link: https://www.econbiz.de/10005608336