r-revised

• Producer Price Index increases
  

  The Producer Price Index (PPI, 2000=100) for the manufacturing sector went up to 1.6 percent in April 2011 after recording declines in 15 months since January 2010, according to the preliminary results of the monthly Producer Price Survey. This was mainly attributed to the double-digit price increment posted by petroleum products (25.6%). On the other hand, price decreases were reflected in six major sectors led by furniture & fixtures (31.1%). Refer to Tables 1 and 1-B.

  On a month-on-month basis, PPI decreased by 0.2 percent in April 2011, the same rate posted in March of this year. Six sectors posted decrements led by transport equipment (-1.9%). However, increases was observed in seven major sectors led by furniture & fixtures (3.3%). Moreover, flat growth was posted by seven major sectors. Refer to Tables 1 and 1-B.

• Response Rate
  

  The response rate for April 2011 is 84.9 percent, which corresponds to the retrieval of 270 sample establishments? reports. Refer to Table 2.

  Response Rates for Total Manufacturing
  (In percent)

  April 2011	March 2011            (revised)
  84.9	92.8r

• Technical Notes
  

  The National Statistics Office generates various price indices, one of this is the Producer Price Index. (PPI). The PPI is generated through the results of the Producers Price Survey (PPS) conducted nationwide. The survey gathers monthly actual producer prices of selected products included in the market basket.

  PPI utilizes the Paasche-type method of index computation with weights computed from the production concentration ratio of the Census of Philippine Business and Industry (CPBI)/ Annual Survey of Philippine Business and Industry (ASPBI). The weights are updated as soon as new results of the ASPBI/CPBI are available and applied at the beginning of each survey year.

  Hence, the weights of the major sectors and sub-sectors for the 2009 PPI were computed from the results of the 2006 CPBI for Manufacturing Establishments of total employment of 20 and over, which is the latest census results.

  Moreover, for industry classification, the 2010 PPI utilizes the amended 1994 Philippine Standard Industry Classification. There are 20 major sectors covered by the 2010 PPS with three consisting of subsectors.

  Non-responding sample establishments are estimated using cold-deck imputation method. Revisions to the preliminary estimates are done upon receipt of actual reports from late respondents.

  (Sgd.) CARMELITA N. ERICTA                                                                                                                Administrator

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  TABLE 1-A. PRODUCER PRICE INDEX, MARCH 2011 - APRIL 2011
  (2000=100)

  Gainers	Year-on-Year Growth (percent)
  	April 2011	March 2011 (revised)
  Petroleum Products	25.6	24.6
  Food Manufacturing	9.0	8.2
  Machinery Except Electrical	6.6	-8.0
  Tobacco Products	4.8	4.8
  Fabricated Metal Products	4.9	6.0
  Textiles	9.4	9.8
  Rubber and Plastic Products*	2.5	4.9
  Transport Equipment	0.7	0.8
  Non-Metallic Mineral Products	1.3	1.4
  Leather Products	4.1	5.4
  Footwear and Wearing Apparel	0.9	-0.8
  Wood and Wood Products	0.1	0.1
  Basic Metals	1.8	1.9
  Publishing and Printing	0.0	0.0
  Losers	Year-on-Year Growth (percent)
  	April 2011	March 2011 (revised)
  Electrical Machinery	-7.8	-8.7
  Paper and Paper Products	-4.1	-1.7
  Furniture and Fixtures	-31.1	-32.6
  Beverages	-4.7	-5.2
  Miscellaneous Manufactures	-2.5	-5.8
  Chemical Products	-0.4	-0.8

  TABLE 1-B. PRODUCER PRICE INDEX, MARCH 2011 - APRIL 2011
  (2000=100)

  Gainers	Month-on-Month Growth (percent)
  	April 2011	March 2011 (revised)
  Petroleum Products	1.1	7.0
  Food Manufacturing	0.9	0.9
  Chemical Products	0.4	0.5
  Furniture and Fixtures	3.3	-21.2
  Miscellaneous Manufactures	0.7	-2.4
  Beverages	0.4	0.0
  Paper and Paper Products	a/	-2.7
  Basic Metals	0.0	0.0
  Wood and Wood Products	0.0	0.0
  Footwear and Wearing Apparel	0.0	0.0
  Tobacco Products	0.0	0.0
  Publishing and Printing	0.0	0.0
  Leather Products	0.0	0.0
  Textiles	0.0	b/
  Losers	Month-on-Month Growth (percent)
  	April 2011	March 2011 (revised)
  Electrical Machinery	-0.8	0.1
  Transport Equipment	-1.9	-1.1
  Machinery Except Electrical	-0.8	-1.1
  Non-Metallic Mineral Products	-1.2	0.8
  Fabricated Metal Products	-0.1	0.1
  Rubber and Plastic Products*	b/	0.2

  Note:

  * - new sector in the 2000-based series

  a/ - Less than 0.1 percent increase

  b/ - Less than 0.1 percent decrease

  Sectors are ranked according to their contribution to the overall 2000-based growth rate.

  Year-on-year growth rates are computed by dividing the current month index by previous year same month index less 1.

  Month-on-month growth rates are computed by dividing the current month index by previous month index less 1

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  Source:   National Statistics Office
                   Manila, Philippines