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)

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)

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)

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)

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

"Public companies are everywhere, and they surround you from morning to night...Nearly everything you eat, wear, read, listen to, ride in, lie on, or gargle with is made by one. Perfume to penknives, hot tubs to hot dogs, nuts to nail polish are made by businesses that you can own." --from the Introduction. McDonald's, The Gap, Circuit City, Gillette, CBS, and thousands more ....(展开全部)

Mutual-fund superstar Peter Lynch and author John Rothchild explain the basic principles of investing and business in a primer that will enlighten and entertain anyone who is high-school age or older. Many investors, including some with substantial portfolios, have only the sketchiest idea of how the stock market works. The reason, say Lynch and Rothchild, is that the basics of...(展开全部)

'The key is how to adapt existing codes to the current market conditions, how to build a portfolio and how to know when the moment has come to stop one system and start another one'. Every day there are traders who make a fortune. It may seem that it seldom happens, but it does - as William Eckhardt, Ed Seykota, Jim Simons, and many others remind us. You can join them by using ...(展开全部)

An essential book for parents to help their children get the education they need to live happy, productive lives from The New York Times bestselling author of The Element and Creative Schools Parents everywhere are deeply concerned about the education of their children, especially now, when education has become a minefield of politics and controversy. One of the world’s most i...(展开全部)