http://www.esa.doc.gov/about-economic-indicators provides easy access to key economic indicators from the Bureau of Economic Analysis and the United States Census Bureau.
Survey of Current Business (Bureau of Economic Analysis). Includes gross domestic product and a variety of national, international, and regional/local United States economic indicators.
Economic Report of the President. Annual, online from 1995 to latest.
Monetary Policy. The Federal Reserve Board's Summary of Commentary on Current Economic Conditions by Federal Reserve District, best known by its popular title of The Beige Book, and other Federal Reserve materials on monetary policy.
Consumer Price Index (Bureau of Labor Statistics) including an inflation calculator and instructions on how to use the Consumer Price Index for contract escalation.
Small Business Economy (Small Business Administration). Site includes links to this title and other reports about small business.
Interest Rates (Federal Reserve Board)
Foreign Exchange Rates (Federal Reserve). Daily exchange rate data in a weekly release, with links to historical data.
International Macroeconomic Data Set (Department of Agriculture's Economic Research Service). Data from 1969 through 2017 for real (adjusted for inflation) gross domestic product, population, real exchange rates, and other variables for the 190 countries and 34 regions that are most important for United States agricultural trade.
Statistical Abstract of the United States. Annual compilation of statistics on industries, population, and a vast array of other topics. Most consider this title easier to use in print format, which is available in the Oviatt Library (latest in Reference Room, ref HA 202). Historical years online offer PDF files (use Adobe Reader); current years offer choice of Excel files or PDF (select the print edition).