(5.) This decomposition of GDP growth into three components parallels the decomposition used in the Census Bureau's X-13 seasonal adjustment
Indirect seasonal adjustment
and linking December 2013 indexes to September 2013 indexes.
If the new pattern persists, the seasonal adjustment
method will eventually reflect it; if the pattern keeps shifting, however, seasonally adjusted data will become chronically troublesome.
Moreover, we argue that failing to control for abnormal weather effects distorts conventional seasonal adjustment
The top figure at right shows how much a second round of seasonal adjustment
adds to or subtracts from each quarter's estimates of real GDP growth.
Economists use seasonal adjustment
to remove or discount normal seasonal changes, thus making underlying trends easier to identify.
For example, if swimwear sales in summer were higher than those in the winter, a seasonal adjustment
could be made to look for any underlying trends.
underemployment, as measured without seasonal adjustment
, was stagnant at 18%.
This would mean that the price of the property has to be finally adjusted (after adjusting for all other factors) by the difference in the seasonal adjustment
factors between the two months.
The surplus in the current account, the broadest measure of Japan's trade with the rest of the world, stood at 407.5 billion yen ($5.3 billion) in August before seasonal adjustment
, finance ministry data showed.
"After seasonal adjustment
, the two sales peaks associated with the end-dates of the home-buyers' tax credits are clear," Pakko writes.
The unemployment figure in January according to TurkStat, prior to the seasonal adjustment
, stood at 14.5 percent.