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Andrew C. McCarthy is a senior fellow at National Review Institute, an NR contributing editor, and author of Ball of Collusion: The Plot to Rig an Election and Destroy a Presidency. Madman theory ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

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 ...