Economists love graphs!
Use these sources for quick definitions as a refresher
Palgrave's Dictionary of Economics Online
Need help choosing research topics?
Dying to calculate the price elasticity of demand?
Can't remember what heteroscedasticity means?
It's all here...
Palgraves is the premier subject encyclopedia for the field. You will find it useful for getting definitive explanations of economic concepts, browsing for research paper topic selection, and locating additional sources for further reading from the article bibliographies. Covers all aspects of the field, including micro and macroeconomics, economic history, econometrics, international, urban, financial, monetary, public, and theoretical economics.
Use these specialized topical sources to review concepts, in the early stages of research for topic selection, to find additional sources on a topic, etc.