Data Watch: The U.S. National Income and Product Accounts
介绍美国国民收入与生产账户（NIPAs）的概念、方法和数据来源，包括GDP统计、账户历史演变及与美国国民经济分析局（BEA）资料的关联，适合需要了解美国官方经济数据体系的读者。
GDP is arguably the most widely used economic statistic. It is part of the National Income and Product Accounts (NIPAs). The concepts, methods and source data for the NIPAs are described in this article. It contains citations to more detailed information obtainable from the publications and web sites of the U.S. Bureau of Economic Analysis, the agency responsible for the NIPAs. A brief history describes the evolution of the accounts. It explains the growing congruence between the U.S. accounts and the UN's System of National Accounts (SNA). The integration of financial and satellite accounts into the NIPAs is summarized.