Degression

Degression or degressive refers to a reduction (for example of costs , revenues or prices ) with a simultaneous increase in the reference value :

• Degressive proportionality
• Degressive tariff for taxes
• Degression (contract dentist)

See also:

• Deduction for wear and tear : declining balance depreciation of fixed assets (tax law)
• Scoring (athletics) : degressive scoring in jumping and throwing disciplines

Wiktionary: degressive  - explanations of meanings, word origins, synonyms, translations