exponential decay
noun1
A decrease where the rate of decrease is proportional to the amount remaining.
- The service value of the capital stock, i.e. the product of its price and quantity component, is decomposed into a depreciation component and an interest component, similar to the decomposition which holds under exponential decay.2017, E. Biørn, Taxation, Technology, and the User Cost of Capital, →ISBN, page 239: