Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

GDP measures total economic output within a country over a specific period. Investors use GDP to anticipate market shifts and adjust portfolios accordingly. Buying cyclical stocks during GDP growth ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

When it is growing, especially if inflation is not a problem, workers and businesses are generally better off than when it is not Many professions commonly use acronyms. To doctors, accountants, and ...

When it is growing, especially if inflation is not a problem, workers and businesses are generally better off than when it is not Many professions commonly use abbreviations. To doctors, accountants, ...

ONE of Albert Einstein’s greatest insights was that no matter how, where, when or by whom it is measured, the speed of light in a vacuum is constant. Measurements of light’s price, though, are a ...