GOVERNMENT CONSUMPTION EXPENDITURES AND GROSS INVESTMENT: The official item in the National Income and Product Accounts maintained by the Bureau of Economic Analysis measuring government purchases undertaken by the government sector. Government consumption expenditures and gross investment averages between 15-20% of gross domestic product. This percentage tends to be ebb and flow a little with the political winds. See also | government purchases | government sector | National Income and Product Accounts | Bureau of Economic Analysis | personal consumption expenditures | gross private domestic investment | net exports of goods and services |