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 ...

Carla Tardi is a technical editor and digital content producer with 25+ years of experience at top-tier investment banks and money-management firms. Suzanne is a content marketer, writer, and ...

Heat pumps work a lot like air conditioners, with the key exception that they can cool and heat your home — even though the name “heat pump” doesn’t exactly imply that.

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