An informational approach is used for the measurement of the inequality of each component of total consumption expenditure. The approach is applied to data of the International Comparison Project.

Purchasing power parity-based data for gross domestic products are used to assess the affluence of the G-7 countries in the period 1885-1994. A simple Cobb-Douglas model is developed for the eligibility to this Group of Seven.

Data from the International Comparison Project are used to analyze the development of the real gross domestic products (GDPs) of the G-7 countries from 1950-1988. For the group as a whole, per capita GDP increased almost threefold in this period, whereas the inequality among the seven countries...

Using the Penn World Tables for 1950-1992, we summarize the gross domestic product development of 114 non-Communist countries by means of five regions: the North, the South (“down underâ€), tropical America plus southwest Asia, southeast Asia, and tropical Africa plus south-central...

A nine-region division of the United States is discussed and compared with the U.S. Census and BEA (Bureau of Economic Analysis) regional groupings. The discussion includes the population density of the regions as well as the inequality of the population densities between and within regions.