Exceptions involve countries where both domestic and foreign private investors are totally or partially excluded from electricity generation - including from renewable energy sources. This applies for both domestic and foreign investment. In addition to the mainstream restrictions on freedom of entry and establishment highlighted by the OECD FDI Regulatory Restrictiveness Index and the World Bank Investing Across Borders (IAB) Report, governments may put in place other discriminations regarding access to the full range of support policies that promote clean energy investment (see Chapter 2).