Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

Andrew Bloomenthal has 20+ years of editorial experience as a financial journalist and as a financial services marketing writer. Erika Rasure is globally-recognized as a leading consumer economics ...

Marginal analysis was the heart of early Austrian economics and was quickly adopted into mainstream economics, where it is central to modern microeconomic analysis. Amazingly, many people in business ...