The CMRPI is a variant of the General Retail Price Index
that measures the changes in the average retail prices of construction materials.
These are CPIH, a new measure of UK consumer price inflation that includes owner occupiers' housing costs (OOH) and RPIJ, an improved variant of the retail price index
, designed to replace it
However, the retail price index
, a separate measure calculated in a different way, rose from 3.1% to 3.3%.
The Retail Price Index
in March 2013, in comparison with the previous month, was 99.9, while the Consumer Price Index was 100.1.
The speakers added that the retail price index
should be considered a good reference.
The legal challenge followed a decision to use the consumer price index (CPI), instead of the normally faster-rising retail price index
(RPI), to measure price increases influencing pension upgrades.
The company's policy for the regulatory period to 2015 is to increase the dividend by the retail price index
plus three percentage points.
The row follows the announcement in the coalition's first Budget that all public sector pensions increases will be linked to the consumer price index (CPI) rather than the historically more generous retail price index
The Government has decided that future pension increases will now be based on the Consumer Price Index (CPI) not the Retail Price Index
This was a real return of 12 per cent when measured against the Retail Price Index
for 2009 and 12.9 per cent when measured against the National Average Earnings Index.
The increase is below the Government's preferred consumer price index rate of inflation, which is 4.1 per cent, but above the retail price index
which stands at three per cent.
Similar factors affected Retail Price Index
(RPI) inflation in March, although housing costs had a downward effect, leaving the headline all-items rate unchanged at 3.2%.