RT Journal Article SR Electronic(1) A1 World Trade OrganizationYR 2018 T1 Investment Provisions in Preferential Trade Agreements: Evolution and Current Trends JF WTO, VO OP DO https://doi.org/10.30875/ecc9b298-en PB WTO, SN , AB Our analysis covers 230 PTAs of which 111 contain substantive provisions on investment. Over the past 60 years or so, States have created an extensive network of Bilateral Investment Treaties (BITs) that govern and protect international investment. The number of BITs concluded annually continues to increase, although this rate has tapered off over the past decade., UL https://www.wto-ilibrary.org/content/papers/25189808/232