If you've got $15,000 to spend on a used sports car, you'd have a tough time finding something better than this baby Porsche.
Jackson, K. and Hart, L. (2026) The Status of the Gravimetric Geoid across Nigeria. International Journal of Geosciences, 17, 49-65. doi: 10.4236/ijg.2026.171004 .
The ratable accrual method is a formula for determining income on investments as it's accrued rather than paid and is often used for income tax purposes.
The McCallum Rule is a monetary policy theory and formula describing the relationship between the monetary base and nominal GDP growth.