This document discusses corruption, including its definition, types, costs, and ways to stop it. Corruption is defined as the misuse of public office for private gain. There are various types of corruption such as bribery, nepotism, fraud, and embezzlement. Corruption has significant costs for society such as reducing economic growth, increasing inequality, and undermining trust in government. To stop corruption, transparency, accountability, and preventing undue influence in policymaking are recommended.