Diversification provides a well-known way of getting something close to a free lunch: by spreading money across different kinds of investments, investors can earn the same return with lower risk (or a much higher return for the same amount of risk). This strategy, introduced nearly fifty years ago, led to such strategies as index funds. What if we were all missing out on ano...(展开全部)

Diversification provides a well-known way of getting something close to a free lunch: by spreading money across different kinds of investments, investors can earn the same return with lower risk (or a much higher return for the same amount of risk). This strategy, introduced nearly fifty years ago, led to such strategies as index funds. What if we were all missing out on ano...(展开全部)

Measure, optimize, and improve the performance of your Python code with this easy-to-follow guide About This Book Master the do's and don'ts of Python performance programmingLearn how to use exiting new tools that will help you improve your scriptsA step-by-step, conceptual guide to teach you how to optimize and fine-tune your critical pieces of code Who This Book Is For If you...(展开全部)

Measure, optimize, and improve the performance of your Python code with this easy-to-follow guide About This Book Master the do's and don'ts of Python performance programmingLearn how to use exiting new tools that will help you improve your scriptsA step-by-step, conceptual guide to teach you how to optimize and fine-tune your critical pieces of code Who This Book Is For If you...(展开全部)

As a domestic policy advisor to Ronald Reagan, Bruce Bartlett was one of the originators of Reaganomics, the supply-side economic theory that conservatives have clung to for decades. In The Failure of Economics, Bartlett goes back to the economic roots that made Impostor a bestseller and abandons the conservative dogma in favor of a policy strongly based on what's worked in the...(展开全部)

Personas play an essential role in the development of successful products. Without creating profiles of target customers and studying them throughout your product development lifecycle, it's impossible to truly understand user need, context, and pain points. The Essential Persona Lifecycle is an easy-to-reference guide on persona creation, use, and evaluation. Whether you are...(展开全部)

Personas play an essential role in the development of successful products. Without creating profiles of target customers and studying them throughout your product development lifecycle, it's impossible to truly understand user need, context, and pain points. The Essential Persona Lifecycle is an easy-to-reference guide on persona creation, use, and evaluation. Whether you are...(展开全部)

An engaging guide to the various ways in which war is now waged—and how to adapt to this new reality Hybrid War, Grey Zone Warfare, Unrestricted War: today, traditional conflict—fought with guns, bombs, and drones—has become too expensive to wage, too unpopular at home, and too difficult to manage. In an age when America threatens Europe with sanctions, and when China spends bi...(展开全部)

The classic guide to constructing a solid portfolio— with out a financial advisor! “With relatively little effort, you can design and assemble an investment portfolio that, because of its wide diversification and minimal expenses, will prove superior to the most professionally managed accounts. Great intelligence and good luck are not required.” William Bernstein’s commonsens...(展开全部)

The Four Pillars of Investing offers a comprehensive, incisive and pithy treatment of the issues. -- Barron's; May 27, 2002