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Fisher Ideal Index Numbers Formula: A Note
Author(s) -
Jazairi N. T.
Publication year - 1972
Publication title -
journal of the royal statistical society: series c (applied statistics)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.205
H-Index - 72
eISSN - 1467-9876
pISSN - 0035-9254
DOI - 10.2307/2346613
Subject(s) - mathematics , index (typography) , ideal (ethics) , statistics , computer science , philosophy , epistemology , world wide web
Summary This note shows that both the time‐reversal and factor‐reversal tests imply a procedure of adjustment which can be applied to any initial form of index numbers, and which necessarily leads to Fisher's ideal formula. A generalization of the ideal formula is also suggested.