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Originally Posted by Unregistered
Which statistic do they use, don't mind sharing?
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Found it. I think it's the Consumer Price Index (CPI).
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The recommended revised fare formula is as follows:
Fare Adjustment = Price Index – Productivity Extraction
where Price Index = 0.4 cCPI + 0.4 WI + 0.2 EI
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://.mot.gov.sg/news/FRMC%20Report%201%20Nov.pdf