This work investigates the historical and structural determinants of wage differentials across different occupations and industries. Henry Phelps Brown, a distinguished labor economist, utilizes a combination of historical wage data and institutional analysis to argue that pay inequality is not merely a product of market forces but is deeply embedded in social norms, bargaining power, and historical precedent. The text provides a framework for understanding how labor markets evolve and why certain disparities persist over time.

Economists and historians frequently cite this text as a foundational reference for understanding the institutional roots of labor compensation. Readers often note the academic density of the prose, which requires a solid grasp of economic theory to fully synthesize the author's arguments.