Jekanowski , Binkley , and Eales examined the effect of price , income , and demographic characteristics on fast food . They suggest that growth in the fast food consumption was related to an increasing supply of convenience , their research utilized aggregated fast food measures at the Metropolitan Statistical Area level , using a composite price index for fast food price . It seems consumers would not increase consumption of fast food unless they had incentive to do so , in other words fast food must be relatively...











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