Construction treatment in conducting i nternational comparison of gdp
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Construction treatment in conducting i nternational comparison of GDP Problems of construction treatment Complexity of construction Country specific nature Great variability of construction across country There are no identical construction projects in the one country

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Construction treatment in conducting i nternational comparison of gdp l.jpg

Construction treatment in conducting international comparison of GDP


Problems of construction treatment l.jpg
Problems of construction treatment

  • Complexity of construction

  • Country specific nature

  • Great variability of construction across country

  • There are no identical construction projects in the one country


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Problems of construction treatment (continued)

  • Employment of external experts

  • Expensive to use standard price approach due to number of participating countries and types constructions


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Approaches applied for construction treatment

  • Identical construction in all countries

    • Lead to comparable but not representative


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Approaches applied for construction treatment (continued)

  • Typical construction in all countries

    • Lead to representative but not comparable


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Approaches applied for construction treatment (continued)

  • Standard (fictitious) construction in all countries

    • Compromise between representativity and comparability of construction


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OECD- Eurostat approach

  • Use the third approach

    • Price several standard construction projects


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Standard construction projects

  • Consist of number major works: earthworks, concrete, masonry, roofing etc.

  • Each major component comprises a number of elementary components

    • Excavation of foundations, transportation of spoil, etc.


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Standard construction projects (continued)

  • The major components and their elementary components of the standard projects are detailed in bills of quantities

  • Each country should price the same bills of quantities with allowed some flexibility


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Major problems of standard construction projects

  • Low representativity of construction projects

  • High price of data preparation

  • Only few projects are priced

  • Often research work

  • Practically no checking across major and elementary components


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CIS approach

  • Use during 2000 comparison


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Similarities between CIS and Eurostat- OECD approach

  • Use standard fictitious construction projects

  • Use GDP classification


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Main features of CIS approach(resources-technological models(RTM))

  • Construction projects and works divided into main elements

    • Materials, wages, some financial indicators (estimation, incl. VAT)

  • Each construction projects are defined by unique set of consumed materials, labour and etc.


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Main features of RTM (continued)

  • Materials are defined as representative items

  • Countries collect prices for materials and report wages and necessary indicators

  • Construction projects are calculated centrally by employed experts after standard price checking


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Changes between 2000 and 2004/2005

  • Trimmed list of materials and indicators

  • Possibility to take into account labour productivity


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Output to use RTM

  • Could use more number construction projects for representativity identification

  • Use standard software of ICP for price checking

  • More statistical exercise

  • Data transparency

  • Reduce labour and financial input for countries


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Basket of construction components CIS experts analysis

  • Who is expert in CIS region?

  • CO-INVEST company, leading Russian company in supply of construction cost information in CIS region and in building and organisation price indices

  • CO-INVEST works with tight collaboration with RSMeans, North America's leading supplier of construction cost information


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Finding problems with BOCC implementation

  • Absence of unified list of components with clear description of specifications

  • GDP classification requires comparison of construction projects not components

  • Lack of weighted data of components by sectors, f. e. in CIS countries

  • No using existing statistical system


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Finding problems with BOCC implementation (continued)

  • Questionable availability of detailed information

  • Requires employment of highly qualified external experts for calculating procedure

  • High cost


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Some solutions

  • Close collaboration between experts

  • Finding more appropriate way using RTM technology

  • Additional financing



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