Technical Barriers to Trade Survey 2001-2002

World, 2001 - 2002

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Reference ID

WLD_2001_TBTS_v01_M

Producer(s)

John S. Wilson (World Bank), Keith E. Maskus (University of Colorado at Boulder), Tsunehiro Otsuki (Osaka University)

Metadata

DDI/XML JSON

Study website

Created on

Nov 08, 2011

Last modified

Mar 29, 2019

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31949

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sic4_hist (sic4_hist)

Data file: TBTdata1

Overview

Valid: 247

Invalid: 442

Type: Discrete

Decimal: 0

Start: 205

End: 205

Width: 1

Range: -

Format:

Questions and instructions

Literal question

Number of years producing the 4th product

Categories

Value	Category
1	Within this year (interviewed year=q205a)
2	Last year
3	Two years ago
4	3-5 years ago
5	More than 5 years ago
Sysmiss

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

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