The World Development Report (WDR) has become such a fixture that it is easy to forget the circumstances under which it was born and the Bank's motivation for producing such a report at that time. In the first chapter of this essay, the authors provide a brief background on the circumstances of...

Some ways in which farmers in LDCs can protect their living standards against fluctuations in income are discussed. After considering the theory of consumption under uncertainty when there is no or limited borrowing, the case where some borrowing is allowed is also examined. Empirical evidence...

For thirty years it has been accepted that consumption is smooth because permanent income is smoother than measured income. This paper considers the evidence for the contrary position--that permanent income is in fact less smooth than measured income, so that the smoothness of consumption cannot...

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...