Clearly, the CV defined in  exactly matches the one defined in , implying that there is no bias to the welfare measure from omitting the substitute price when the CV associated with a single price change
The service's price change
will grow its budget to stay ahead of its streaming competitors.
Hence, there is no technical issue with regard to flow of information about daily price change
to dealers or customers.
L], is the rate of price change
from period t-1 to period t of the consumption basket purchased in period t - l:
Other nations adopted "improved," but not "Ideal," measures of output growth and price change
84 Table 2 Sectors with the largest relative price change
, 1998:2-2006:2 New Zealand Australian Relative price price price change
change movement Audio, visual and computing equipment -7.
Significant changes in spot prices tend to show up in retail prices with some time delay, and EIA theorized that this could be explained by a distributed lag: the impact of a spot price change
in a given week might be spread over several following weeks at the retail level.
He said the conclusion holds true whether daily, weekly or monthly markets are examined, and whether one examines the direction or magnitude of the price change
is defined as the monthly percent change in the Wilshire 5000 index.
However, as this article explains in a later section, the plutocratic approach is much more practicable, and it may provide a different measure of price change
than the democratic index.
Using CPI data, they find that the price changes
for cereal across areas are significantly different from the mean price change