chain-type quantity index
and the 2009 current-dollar value of the
second, total factor productivity (TFP, also known as multifactor productivity or MFP) is measured with a quantity index
of all inputs used in production.
The quantity index
is obtained by dividing the spending index by the price index.
Imported building materials quantity index
increased from 103.
Because consumers shift their purchases to more cheaply priced commodities over time, Laspeyres quantity index
formulations have a tendency to overstate price change in periods beyond the reference or base period, thereby understating real output growth.
Pointing to the 7 percent increase in quantity index
in export figures of July, Buyukeksi said, "This is an indicator showing that there is an improvement".
The quantity index
for individual asset classes is constructed based on the perpetual inventory method using deflated investment expenditures and estimates of the depreciation pattern for that class.
They adopt the view that once the input price index has been defined in a suitable way, the input quantity index
should be defined implicitly by the property that the product of the relative price index and the relative quantity index
should equal the relative expenditure index.
A quantity index
must be employed to evaluate changes in real GDP.
We begin our discussion of index-number theory with the result that the Divisia quantity index
(first suggested as an index number by Divisia, 1925) is exact for the monetary quantity aggregate, [M.
Given the fact that the value of sales equals a price index times a quantity index
, any errors in calculating a price index imply corresponding errors in the quantity index
The new monthly quantity index
for semiconductors and related devices is constructed from detailed information on physical quantities and average unit values for about 300 distinct devices.