This document discusses the relationship between political and economic factors. It defines political economy as the grafting of politics and economics, and notes they are mutually dependent. It explores how governments can use political power to influence economic resources at domestic and international levels. It also outlines three major ideologies in political economy: liberalism, nationalism, and Marxism. The document examines different structures that comprise the global political economy, such as production, security, financial, and knowledge structures. It analyzes how political events like the OPEC oil crisis influenced economics. Multinational corporations and regional economic organizations are also discussed in relation to world political economy.