When doing research in Economy, one frequently needs to verify theoretical conclusions on real data. What are reliable data sources to use and cite? I am mainly interested in sources that provide various statistical data such as GDP, population, CPI, PPI etc.
EDIT:
Here's an aggregation of the links appearing in this thread + a few more I remembered.
Generic:
- Thomson Reuters Datastream (not free, very comprehensive)
- World Bank Data
- United Nations Data
- IMF Data
- ADB Data
- WTO Stats
- Infochimps - massive resource of a wide variety of public and private (commercial) datasources - plus their API
- Freebase (now owned by Google) - open data resource
- DBpedia - an approach to using the Wikipedia API
- Wikipedia API - or go direct and access Wikipedia direct
- CIA World Factbook
- OECD Statistics
- Wolfram Alpha - a knowledge search engine
- Zanran - a numerical & statistics search engine
- Inter-university Consortium for Political and Social Research
National:
- UK government data project
- US government data project
- US FRED: Federal Reserve Economic Data
- US Bureau of Labor Statistics
- US Bureau of Economic Analysis
- U.S. Census
- US Health & Retirement Study
- U.S. Centers for Disease Control
- U.S. Bureau of Transportation Statistics
- Eurostat's Databases
Other:
- OpenData Initiative at Wikipedia