Price Statistics
Price statistics presents the consumer price index, producer price index and construction
materials price index. These data were obtained from the Trade and Economic Indices Bureau, Office of
the Permanent Secretary, Ministry of Commerce.
Consumer Price Index (CPI)
Consumer Price Index is considered for measuring the cost of living changes of the consumers
when the price level is changed. The Department of Business Economics had been published the cost of
living index and the retail price index for distributing since
1948
. Both mentioned indexes were
discontinued since the new series of consumer price index has been published in
1962
.
Core consumer price index is the consumer price index excluding raw food and energy items.
At present, the index calculation and their weight has improved every
5
years. Up-dating of
the base-year and the weight factor for calculating CPI of Thailand is obtained from the Household
Socio-Economics Survey conducted by National Statistical Office. Therefore, updating the base-year
from
1998
to
2002
by using the information from the mentioned survey in
2002.
Producer Price Index (PPI)
Producer Price Index is defined as measure of the price change. The Department of Business
Economics has compiled and analyzed the Wholesale Price Index (WPI) since
1943
by using
1938
,
1948, 1968
and
1976
as the base years respectively, with a view to keeping abreast of fluctuation in
transaction prices of all representative commodities.
In
1985
, the compilation of WPI has been improved by way of reclassification of commodities
with a view to better analyze trend of prices. It has therefore been renamed as the Producer Price Index
(PPI) according to the United States system of classification. These indexes would enable various user to
monitor changes in prices from production stage to primary markets and using
1985
as the base year
(1985 = 100).
The prices are used in calculating PPI under the stage of processing have obtained to a large
extent from the first commercial transaction prices. These representative prices are taken from the
producers, central markets, local markets, trade associations as well as from other government agencies.
In
1999
, the Producer Price Index calculation has been improved the listing, weight, and base
