Data sources and incidence indicators
- Author: United Nations Conference on Trade and Development
- Main Title: A Practical Guide to the Economic Analysis of Non-Tariff Measures , pp 19-42
- Publication Date: April 2020
- DOI: https://doi.org/10.18356/46af72d1-en
- Language: English
This chapter first reviews the sources of information about non-tariff measures (NTMs). Although the availability of data on NTMs remains limited in terms of both time and country coverage, several sources of information exist. The data they contain do not necessarily share a common origin and it is crucial to understand as much as possible how possible differences can be observed. Once information has been collected several indicators can be used to assess the prevalence of each measure applied by some country to some product. This is an important step towards a precise appreciation of the possible impact measures could have on domestic production and especially on international trade. Formulas of some major indicators are presented and discussed. The most common indicators do not necessarily reflect any regulatory stringency and may need to be complemented by additional elements reflecting more qualitative dimensions of a specific measure. Using existing data, procedures and STATA commands are presented in detail in order to generate these indicators for some set of countries in some specific years.
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