All countries need vaccines but not all can produce them. Vaccine production is highly specialised, subject to comparative advantages, and concentrated in few countries, making trade a vital means to deploying vaccines broadly. Keeping markets open by reducing tariffs, streamlining trade-related...

SIGMA Brief 28 aims to give guidance to auditors dealing with public procurement processes. Based on audit experience, it examines the stages that are worth looking at and explains why. It highlights those aspects that are recommended to be considered in more detail. It also gives advice as to...

This report is a compendium of best practices for green public procurement at national and sub-national levels. Topics covered include the legal framework, market capacity, environemental standards, professionalisation, awareness-raising and monitoring.