United Nations Conference on Trade and Development (UNCTAD) has published compendium «NON-TARIFF MEASURES from A to Z».
This compendium provides an overview of global transparency efforts, including with regard to the international classification of NTMs, data collection and data dissemination, as well as approaches to achieving good regulations, including recent research results and analysis tools, social implications such as gender-related and environmental effects, a toolkit to assess cost effectiveness and NTMs and the online academy on NTMs. Each chapter provides highlights from the work of UNCTAD and references for further reading.
