Mathematical Investigations in the Theory of Value and Prices, and Appreciation and Interest

This volume features two seminal works by Irving Fisher, a pioneering figure in modern finance known for his influential theories. It includes key concepts such as the Fisher equation, Fisher hypothesis, and Fisher separation theorem, which have shaped economic thought and financial practices. Fisher's insights provide a foundational understanding of the relationship between interest rates, inflation, and investment, making this collection essential for anyone interested in the evolution of economic theory.