Dataframe contains 20 annual observations of a supply/demand model with 5 variables. Columns are q=Food consumption per capita, p=Ratio of food price to general consumer prices, d=Disposable income in contstant dollars, f=Ratio of preceding year's prices received by farmers to general consumer prices, a=Time index.
A table containing 5 variables ("q", "p", "d", "f","a") and 20 observations.
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