Purchasing power parities (PPPs) are the rates of currency conversion that try to equalise the purchasing power of different currencies, by eliminating the differences in price levels between countries. The basket of goods and services priced is a sample of all those that are part of final...

This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of putative endocrine disrupting chemicals (e.g. oestrogens, androgens and steroidogenesis inhibitors) on fish sexual development. In the test, fish are exposed, from newly fertilized...

This Test Guideline is designed to assess the toxicity of substances to freshwater aquatic plants of the genus Lemna (duckweed). Exponentially growing plant cultures of the genus Lemna (Lemna gibba and Lemna minor usually) are allowed to grow as monocultures in, at least, five concentrations of...

This Test Guideline describes the procedure for the electronic determination of pH of an undiluted aqueous solution or dispersion, the pH of a dilution of a solution or dispersion in water, or the pH of a chemical diluted to end-use concentration. It also describes procedures to determine acid...

This Agreement contains two models for bilateral agreements drawn up in the light of the commitments undertaken by the OECD and the committed jurisdictions. The Working Group was chaired by Malta and the Netherlands and marks the first results of the OECD's collaboration with the jurisdictions...

The Global Forum on Transparency and Exchange of Information for Tax Purposes is a multilateral framework for tax transparency and information sharing, within which over 160 jurisdictions participate on an equal footing. The Global Forum monitors and peer reviews the implementation of the...

The Global Forum on Transparency and Exchange of Information for Tax Purposes (Global Forum) is a multilateral framework for tax transparency and information sharing, within which over 160 jurisdictions participate on an equal footing. The Global Forum monitors and peer reviews the...