With rising incomes, the share of expenditures for food products declines. The resulting shift in expenditures affects demand patterns and employment….

The poorer is a family, the greater is the proportion of the total outgo which must be used for food... The proportion of the outgo used for food, ot….

He who attempts to draw any conclusion whatever as to the nation's wealth or poverty from the mere fact of a favorable or unfavorable Balance of Trad….