Docstoc

Tanzanian experience on manufacturing statistics - United Nations

Document Sample
Tanzanian experience on manufacturing statistics - United Nations Powered By Docstoc
					Tanzanian Experience
  on manufacturing
     Statistics.


            Williamdm Ndoss
       National Bureau of Statistics
            Dar es Salaamia
                 Tanzania

                                       1
 Estimation of sector
 contribution to GDP
The manufacturing sector
contributes about 8.7% of the
total GDP in Tanzania
according to 2007 Economic
survey report.
                            2
    Source of data
• Industry Census
• Annual Survey of Industrial
  production
• Quarterly Survey of
  Industrial production
                                3
    Industry Census
• Last Industry Census was
  Conducted in 1989.




                             4
Annual Survey of
Industrial production
• The survey covers 10
  persons or more
  establishments engaging.
• About 700 establishment
  are surveyed
                             5
Quarterly Survey of
Industrial production
The survey is limited to
 manufacturing industry and
 covers almost all-
 manufacturing establishments
 engaging 50 persons or more.
About 400 establishment are
 surveyed                  6
  Activity classification
  and the ISIC
Tanzania is using ISIC
Rev. 3.



                            7
    Statistical Unit

• The Statistical Unit is the
  Establishment.




                                8
The Register of
 Establishments
- Tanzania has a central register of
  establishment (CRE) which is
  updated annually.
- Business survey was conducted
  2008, which saved as an input to
  update CRE.

                                       9
   Uses of registers
• Provide frame for
  undertaking surveys




                        10
Main Derived Statistics
• Producer Price Index (PPI)
• Production Index of
  Manufacturing Industry
  (PIMI)


                           11
Methods and techniques
of data collection
• Mail enumeration




                     12
Imputations
Substitution: Relies on the
availability of comparable
data



                              13
 Challengers
• Low response rate
• Misuse of resources -
  Duplication of efforts



                           14
Dissemination
• Through NBS website:
  WWW.nbs.go.tz
• National Website:
  www.tanzania.go.tz
• Different reports.
                         15

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:8
posted:11/23/2012
language:English
pages:15