In Pursuit Of The Perfect Portfolio by Andrew W. Lo

A clear, practical exploration of modern portfolio theory that examines the tension between elegant theoretical models and messy real-world markets, advocating a pragmatic framework for diversification, risk measurement, and portfolio construction. It surveys historical asset-class behavior, critiques simplistic assumptions (like normal returns), and introduces techniques for optimizing allocations while accounting for constraints, transaction costs, factor exposures, and robustness to model error. Blending empirical evidence, mathematical tools, and case studies, the book guides investors toward building resilient portfolios that balance statistical rigor with practical implementation.

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