The Trump administration's tariff calculations appear on paper to be a simplified math of America's trade relationships.

The discount rate refers to the interest rate used when calculating the net present value (NPV) of an investment. It represents the time value of money, which is the concept that a sum of money ...

Compound annual growth rate (CAGR) and internal rate of return (IRR) both measure investment performance but differ in ...

Donald Trump and his team had said that a wide array of practices would go into their calculations of 'reciprocal' tariffs.

ChatGPT, Gemini, Grok, and Claude all recommend the same “nonsense” tariff calculation.