Commodity and Outlet Survey 2007-2008
Philippines, 2008
Reference ID
PHI-NSO-COS-2007-2008-v1
Producer(s)
National Statistics Office, Philippines
Metadata
Created on
Oct 12, 2021
Last modified
Oct 12, 2021
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Identification
Commodity and Outlet Survey 2007-2008
Name | Abbreviation |
---|---|
Philippines | PHL |
PHI-NSO-COS-2007-2008-v1
The 2007-2008 COS is a nationwide survey of households conducted for the purpose of gathering data on commodities that a family purchased/consumed/availed of most of the time and the type of outlets where these commodities were purchased/availed of within the country. The results of the survey will provide the basis for the identification of the market basket at different income levels, i.e. upper 70% and bottom 30% which will be used in the computation of the 2006-based CPI for the different income groups. It will also serve as the basis for the identification of type of outlets for the regular monthly price survey.
Sample survey data [ssd]
households, province/city
Version
v2.0: Frequency tables for public use (Bottom 30% Income Group, Upper 70% income group, All Income Group)
2009-09-30
v2.0: Frequency tables for public use (Bottom 30% Income Group, Upper 70% income group, Merged Bottom 30% and Upper 70% Income Group)
Provincial frequency tabulation of commodities by description/specifications and by type of outlet for bottom 30% income group, upper 70% income group and all income group.
Provincial frequency tabulation of commodities by description/specifications and by type of outlet for bottom 30% income group, upper 70% income group and all income group.
Scope
Topic | Vocabulary | URI |
---|---|---|
COICOP | Classification of Commodities According to Purpose | www.unsd.org |
keyword | URI |
---|---|
NSO PHL COS |
Coverage
National, Provincial/Selected Cities
Provincial/Selected City
households, province/city
The survey covered all members of the sample households.
Producers and sponsors
Name | Abbreviation | Role |
---|---|---|
National Statistics Office | NSO | National Government |
Sampling
From the list of around 40,000 successfully interviewed sample households in the 2006 FIES, a total of 25,000 sample households were selected systematically for the 2007-2008 COS. Around 14,000 sample households were also selected as replacements. Households in both lists are classified as those belonging to the bottom 30% and upper 70% income groups depending on their income in the 2006 FIES.
Additional samples were generated as substitute for original samples that cannot be located.
100% response rate
none
Data Collection
Start | End | Cycle |
---|---|---|
2008-06-01 | 2008-06-30 |
Start | End | Cycle |
---|---|---|
2007-06-01 | 2008-05-31 |
Face-to-face [f2f]
The RDs and PSOs visited enumerators within their jurisdiction to find out if instructions are being followed.
During supervision, the following were done:
1. Observed how the interview is being conducted. Errors noted were pointed out to the ENs to avoid the same errors in succeeding interviews.
2. Scrutinized the accomplished questionnaires for correctness and completeness of entries. Returned the problem questionnaires to the ENs for verification of the incorrect entries.
3. Conducted a random re-interview of households/respondents to ensure that the ENs really visited and interviewed the sample households and eligible respondents.
4. Helped solve problems encountered by the enumerators such as refusals, callbacks and others.
5. Ensured that expected outputs of the ENs are met.
6. Ensured that the ENs who were trained were the ones conducting the interview.
7. Collected the questionnaires from the ENs.
8. Be available if the ENs need assistance in relation to the conduct of the survey.
9. Ensured that unsuccessfully interviewed sample households are properly replaced by the DSO.
A two-day/three-day spot check for the 2007-2008 COS was conducted by Central Office staff within the period June 10-18, 2008 in NCR I, NCR II, NCR III, NCR IV, NCR V, NCR VI, Benguet, Pangasinan, Isabela, Bulacan, Pampanga, Nueva Ecija, Laguna, Batangas, Cavite, Palawan, Camarines Sur, Negros Occidental, Iloilo, Cebu, Leyte, Zamboanga del Sur, Davao del Norte, Davao del Sur, South Cotabato, Maguindanao, Agusan del Norte and Misamis Oriental. Central Office spot checkers conducted re-interview and observed Statistical Researchers during their interview.
During supervision, the following were done:
1. Observed how the interview is being conducted. Errors noted were pointed out to the ENs to avoid the same errors in succeeding interviews.
2. Scrutinized the accomplished questionnaires for correctness and completeness of entries. Returned the problem questionnaires to the ENs for verification of the incorrect entries.
3. Conducted a random re-interview of households/respondents to ensure that the ENs really visited and interviewed the sample households and eligible respondents.
4. Helped solve problems encountered by the enumerators such as refusals, callbacks and others.
5. Ensured that expected outputs of the ENs are met.
6. Ensured that the ENs who were trained were the ones conducting the interview.
7. Collected the questionnaires from the ENs.
8. Be available if the ENs need assistance in relation to the conduct of the survey.
9. Ensured that unsuccessfully interviewed sample households are properly replaced by the DSO.
A two-day/three-day spot check for the 2007-2008 COS was conducted by Central Office staff within the period June 10-18, 2008 in NCR I, NCR II, NCR III, NCR IV, NCR V, NCR VI, Benguet, Pangasinan, Isabela, Bulacan, Pampanga, Nueva Ecija, Laguna, Batangas, Cavite, Palawan, Camarines Sur, Negros Occidental, Iloilo, Cebu, Leyte, Zamboanga del Sur, Davao del Norte, Davao del Sur, South Cotabato, Maguindanao, Agusan del Norte and Misamis Oriental. Central Office spot checkers conducted re-interview and observed Statistical Researchers during their interview.
The 2007-2008 COS questionnaire was prepared starting August 2007 and was finalized in March 2008. It gathers information on commodities commonly consumed/purchased by the families during a particular reference period.
The order of appearance of the major divisions of the commodity groups in the questionnaire is based on the Classification of the Individual Consumption According to Purpose (COICOP). COICOP is a classification used to classify both individual consumption expenditure and actual individual consumption. It is one of the "functional" classifications designed to classify certain transactions of producers and of households. It is described as "functional" classification because it identifies the "functions" - in the sense of "purposes" or "objectives" - for which these groups of transactors engage in certain transactions.
Included in this survey are commodities commonly purchased whether in cash or on credit by the family purely for personal consumption. It therefore, excludes all commodities purchased for the operation of a farm or business enterprise. Also excluded are purchases done abroad. However purchases made at duty free shops located in the Philippines are included. Also included are purchases of second-hand goods.
Generally, gifts or relief in goods and services received by the family from friends, relatives, etc. and bartered goods are included to help assess the economic status of the families. If this is the case, “received as gift, received free or bartered” should be written in the “Type of Outlet” column.
Listed below are the twelve (12) major divisions of the commodity groups:
1. Food and Non-Alcoholic Beverages
2. Alcoholic Beverages and Tobacco
3. Clothing and Footwear
4. Housing, Water, Electricity, Gas and Other Fuels
5. Furnishings, Household Equipment and Routine Maintenance of the House
6. Health
7. Transport
8. Communication
9. Recreation and Culture
10. Education
11. Restaurants and Hotels
12. Miscellaneous Goods and Services
These major divisions of the commodity groups are further subdivided into sub-groups.
The questionnaire is provided in External Resources.
The order of appearance of the major divisions of the commodity groups in the questionnaire is based on the Classification of the Individual Consumption According to Purpose (COICOP). COICOP is a classification used to classify both individual consumption expenditure and actual individual consumption. It is one of the "functional" classifications designed to classify certain transactions of producers and of households. It is described as "functional" classification because it identifies the "functions" - in the sense of "purposes" or "objectives" - for which these groups of transactors engage in certain transactions.
Included in this survey are commodities commonly purchased whether in cash or on credit by the family purely for personal consumption. It therefore, excludes all commodities purchased for the operation of a farm or business enterprise. Also excluded are purchases done abroad. However purchases made at duty free shops located in the Philippines are included. Also included are purchases of second-hand goods.
Generally, gifts or relief in goods and services received by the family from friends, relatives, etc. and bartered goods are included to help assess the economic status of the families. If this is the case, “received as gift, received free or bartered” should be written in the “Type of Outlet” column.
Listed below are the twelve (12) major divisions of the commodity groups:
1. Food and Non-Alcoholic Beverages
2. Alcoholic Beverages and Tobacco
3. Clothing and Footwear
4. Housing, Water, Electricity, Gas and Other Fuels
5. Furnishings, Household Equipment and Routine Maintenance of the House
6. Health
7. Transport
8. Communication
9. Recreation and Culture
10. Education
11. Restaurants and Hotels
12. Miscellaneous Goods and Services
These major divisions of the commodity groups are further subdivided into sub-groups.
The questionnaire is provided in External Resources.
Name | Abbreviation | Affiliation |
---|---|---|
Statistical Researchers | SRs | |
Statistical Coordination Officers | SCOs | |
District Statistical Officers | DSOs |
Data Processing
Processing of the COS data involves the manual processing of accomplished survey questionnaires and machine processing of survey data.
A. Manual Processing of Questionnaires
Manual processing which involves the verification of geographic identification, coding of commodity/service, specification and description, consistency checking of entries in the questionnaires and completeness checking of forms before submitting them to the CO were done by the FO staff.
Coding of commodity/specs/outlet not included in the Coding Guide and editing of entries in the questionnaires were done in July to December 2008 by hired Statisticians and Statistical Researchers in the Central Office.
B. Machine processing of questionnaires
Machine processing involves the conversion of data in the questionnaire into electronic form through data entry. This stage also covers completeness checking and editing to ensure data accuracy and generation of tables.
1. Encoding of Entries of the Questionnaires
The data entry program used in the processing of COS questionnaires was developed by Information Technology Systems and Research Division. Encoding of entries in the COS questionnaires were done by data encoders at Information Technology Operations Division.
2. Generation of First Pass Reject Listings
After encoding, reject listings were generated. This is to ensure correctness in the encoding of entries in the questionnaires. Reject listings were printed for review. Errors seen in the reject listings were verified in the questionnaires. Any updates/corrections in the reject listings were encoded. Review of reject listings and encoding of updates were done by Economic Indices and Indicators Division staff, hired Statisticians and Statistical Researchers.
3. Generation of Frequency Tables
Frequency tables were generated by income group. Separate frequency tables for Bottom 30% income households and Upper 70% income households were generated. These frequency tables were also printed for review. Any updates/corrections for the frequency tables were encoded in the data files. After updating the data files, frequency tables were re-generated to reflect the corrections/updates encoded. Review of COS frequency tables and encoding of corrections/updates were also done by EIID staff, hired Statisticians and Statistical Researchers.
4. Generation of Final Tables
Two final tables were generated by province/city and sent thru email to the field offices for review and selection of commodities to be included in the new market basket. Table A and Table B are the final frequency tables for Bottom 30% and Upper 70% income households, respectively. These tables were reviewed by the field offices and were used in the selection of commodities to be included in the new market basket.
A. Manual Processing of Questionnaires
Manual processing which involves the verification of geographic identification, coding of commodity/service, specification and description, consistency checking of entries in the questionnaires and completeness checking of forms before submitting them to the CO were done by the FO staff.
Coding of commodity/specs/outlet not included in the Coding Guide and editing of entries in the questionnaires were done in July to December 2008 by hired Statisticians and Statistical Researchers in the Central Office.
B. Machine processing of questionnaires
Machine processing involves the conversion of data in the questionnaire into electronic form through data entry. This stage also covers completeness checking and editing to ensure data accuracy and generation of tables.
1. Encoding of Entries of the Questionnaires
The data entry program used in the processing of COS questionnaires was developed by Information Technology Systems and Research Division. Encoding of entries in the COS questionnaires were done by data encoders at Information Technology Operations Division.
2. Generation of First Pass Reject Listings
After encoding, reject listings were generated. This is to ensure correctness in the encoding of entries in the questionnaires. Reject listings were printed for review. Errors seen in the reject listings were verified in the questionnaires. Any updates/corrections in the reject listings were encoded. Review of reject listings and encoding of updates were done by Economic Indices and Indicators Division staff, hired Statisticians and Statistical Researchers.
3. Generation of Frequency Tables
Frequency tables were generated by income group. Separate frequency tables for Bottom 30% income households and Upper 70% income households were generated. These frequency tables were also printed for review. Any updates/corrections for the frequency tables were encoded in the data files. After updating the data files, frequency tables were re-generated to reflect the corrections/updates encoded. Review of COS frequency tables and encoding of corrections/updates were also done by EIID staff, hired Statisticians and Statistical Researchers.
4. Generation of Final Tables
Two final tables were generated by province/city and sent thru email to the field offices for review and selection of commodities to be included in the new market basket. Table A and Table B are the final frequency tables for Bottom 30% and Upper 70% income households, respectively. These tables were reviewed by the field offices and were used in the selection of commodities to be included in the new market basket.
Data access
Name | Affiliation | URI | |
---|---|---|---|
National Statistics Office | info@census.gov.ph |
Authorization to use this data is granted only to the client or data user and persons within its organization, if applicable. Under no circumstances shall the client reproduce, distribute, sell or lend the entire data or parts thereof to any other data user apart from himself or that of authorized employees in his organization. The NSO shall hold the data user fully responsible for safeguarding the data from any unauthorized access or use.
Before being granted access to the dataset, all users have to formally agree:
1. To make no copies of any files or portions of files to which s/he is granted access except those authorized by the data depositor.
2. Not to use any technique in an attempt to learn the identity of any person, establishment, or sampling unit not identified on public use data files.
3. To hold in strictest confidence the identification of any establishment or individual that may be inadvertently revealed in any documents or discussion, or analysis. Such inadvertent identification revealed in her/his analysis will be immediately brought to the attention of the data depositor.
Before being granted access to the dataset, all users have to formally agree:
1. To make no copies of any files or portions of files to which s/he is granted access except those authorized by the data depositor.
2. Not to use any technique in an attempt to learn the identity of any person, establishment, or sampling unit not identified on public use data files.
3. To hold in strictest confidence the identification of any establishment or individual that may be inadvertently revealed in any documents or discussion, or analysis. Such inadvertent identification revealed in her/his analysis will be immediately brought to the attention of the data depositor.
Any report, paper or similar articles, whether published or not, emanating from the use of this data shall give appropriate acknowledgement as suggested herein, “2007-2008 Commodity and Outlet Survey, Version 1, National Statistics Office, Manila, Philippines”, as the source of basic data. The data user or client is encouraged to provide NSO with a copy of such report, paper or article. It is understood that unless expressly allowed by the client, such report, paper or article shall not be used for any purpose other than monitoring.
Disclaimer and copyrights
The NSO gives no warranty that the data are free from errors. Hence, the NSO shall not be held responsible for any loss or damage as a result of the client's manipulation or tabulation of the data.
The data user acknowledges that any available intellectual property rights, including copyright in the data are owned by the Philippines National Statistics Office.
contacts
Name | Affiliation | URI | |
---|---|---|---|
Chief, Economic Indices and Indicators Division | National Statistics Office | r.staana@census.gov.ph |