This article compares the statutory ad valorem tariff rates (official rates) with the ratio of tariff revenues to import values (collected rates) for Jamaica, Kenya, and Pakistan. It identifies four general features of the tariff codes, considers whether these features apply to all developing...

The historical path of gross domestic product (GDP) per capita in the United States is, except for the interlude of the Great Depression, well characterized by reasonably stable exponential trend growth with modest cyclical deviations: graphically, it is a modestly sloping, slightly bumpy hill....

Many oil, mineral, and plantation crop--based economies experienced a substantial deceleration in growth following the commodity boom and bust of the 1970s and early 1980s. This article illustrates how countries dependent on point source natural resources (those extracted from a narrow...

Data from 121 diverse rural water projects provide strong statistical findings that increasing beneficiary participation directly causes better project outcomes. Three possible econometric objections to these findings are addressed and answered. The subjective nature of the data does not...