E20

Covers studies about issues related to some of the major components of GDP and their determinants. Studies about major sub-aggregates, including consumption expenditures on durable goods, nondurable goods, and services, or investment in nonresidential structures and producers' durable equipment, residential structures, and changes in business inventories, should be classified here. Studies about the remaining expenditure components, government expenditures and exports minus imports, are classified under E62 or H5 and F14 (or F32) respectively.