The document discusses various types of foreign finance, investment, and aid that consist of private direct and portfolio investment, public and private development assistance, and remittances from international migrants. It provides details on foreign direct investment from multinational corporations, portfolio investment through foreign purchases of bonds and shares, and public development assistance in the form of bilateral and multilateral aid. The benefits of these financial flows include filling saving-investment gaps, introducing new skills and technology, and reducing poverty. However, disadvantages include the potential for stifling local competition and crowding out of investment.