Does a consumer price index (CPI) need an underlying conceptual framework? If so, should it be the theory of the cost-of-living (COL) index?

Our objective in this paper is to assess how middle-income groups are faring with the global turn to the market. We suggest some simple measures of the middle-the size and income shares of households around the median (75/125%)-and their income status relative to wealthier counterparts. Our...

A reduction of impediments to international flows of goods, capital and professional labor is thought to raise the economic costs of programs by the nation state (and labor unions) to redistribute income to the poor and to provide economic security. But some of the more politically and...