Investment policy

International investment law


The OECD is a forum where treaty negotiators and experts from OECD and non-OECD countries work together to enhance common understanding of core treaty provisions and emerging legal issues and to improve outcomes of international investment agreements for governments and investors.



Investment Treaties over Time - Treaty Practice and Interpretation in a Changing World


Investment Treaties and Shareholder Claims: Analysis of Treaty Practice

Investment Treaties and Shareholder Claims for Reflective Loss: Insights from Advanced Systems of Corporate Law

Investment Treaty Law, Sustainable Development and Responsible Business Conduct: A Fact Finding Survey



Temporal validity of international investment agreements: a large sample survey of treaty provisions

Investment treaties as corporate law: Shareholder claims and issues of consistency


Investor-state dispute settlement: A scoping paper for the investment policy community

Dispute settlement provisions in international investment agreements: A large sample survey



Harnessing Freedom of Investment for Green Growth

Environmental concerns in international investment agreements: a survey



Foreign state immunity and foreign government controlled investors

Intellectual property rights in international investment agreements



International investment agreements: A survey of environmental, labour and anti-corruption issues 

Definition of investor and investment in international investment agreements

Interpretation of the umbrella clause in investment agreements

A survey of environmental, labour and anti-corruption issues in international investment agreements



The interaction between investment and services chapters in selected regional trade agreements [ French ]

Essential security interests under international investment law



Novel features in recent OECD bilateral investment treaties

Improving the system of investor-state dispute settlement

Consolidation of claims: A promising avenue for investment arbitration



Transparency and third party participation in investor-state dispute settlement procedures

Indirect Expropriation and the Right to Regulate in international investment law

Fair and equitable treatment standard in international investment law

Most-favoured-nation treatment in international investment law



Relationships between international investment agreements



Multilateral Agreement on Investment: Documents relating to the 1995-1998 Negotiations

This database contains a large quantity of documents relating to the negotiations on a proposed Multilateral Agreement on Investment (MAI) between 1995 and 1998. It is designed to help interested parties gain a full understanding of the history and substance of these negotiations.



The Protection of Foreign Property: Draft Convention and Resolution of the Council




Conference on Investment Treaties: Policy Goals and Public Support, Paris, 16 March 2015


The growing pains of investment treaties, Blog by Angel Gurría, 13 October 2014


OECD roundtables on freedom of investment


The freedom of investment process


Public consultation on investor-state dispute settlement, 16 May-23 July 2012


Symposium on international investment agreements and investor-state dispute settlement, 2010


Symposium on making the most of international investment agreements: A common agenda, 2005






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