This document discusses key terms related to wages and salaries such as wages, salary, and derived demand. It then covers topics like conducting career research, reasons for wage differences in the market including differences in demand, supply, and training/education. Individual differences that can impact wages like education, experience, and negotiation skills are also examined. The document explores the concepts of human capital and signals in the labor market. Various types of potential wage discrimination are defined such as wage discrimination, employment discrimination, and occupational discrimination. Statistical discrimination and institutional discrimination are also summarized. The document considers how to measure discrimination and discusses why the gender pay gap may be smaller for younger women.