The article discusses how multinational companies have influenced the global economy and the rules around international investment. It looks at the history of international investment policies and organizations from the 1940s to the present day. The authors analyze how investment policies relate to trade, technology, competition, and economic development. They also examine various international organizations like the WTO and regional agreements like NAFTA and the EU. The book aims to help readers understand the changing landscape of international investment and its impact on academics, students, executives, and policymakers.