Financial textbook analyzes financial products from the perspective of information theory; explains why financial markets and institutions are prone to failure; and addresses how regulation can reduce the risk of failure and how legal and regulatory constraints help shape a country's corporate and financial structures. Discusses asymmetric information in financial markets; adverse selection in the market for retail financial services; the structure and regulation of insurance markets; capital-market microstructure and regulation; information revelation, transparency, and insider regulation; security research and regulation; the equity market and managerial efficiency; the theory of financial intermediation; moral hazard in the bank loan and public bond markets, excessive risk, and bank regulation; bank runs, systemic risk, and deposit insurance; bank regulation in practice; and financial structure and regulation. Includes end-of-chapter exercises.