"Clarifies the concepts used in impact analysis and provides in-depth methodologies for research." --Educatorâ&#128;&#153;s Update</p> "I learned much from reading the first edition of this book years ago, and this edition retains many of the positive features of that version, especially the regression framework and the lucid discussion of how regression discontinuity and ...(展开全部)

How Winners Do It provides a wealth of practical guidelines and office-tested strategies you can put to immediate use to reach the top of your profession. In straightforward, no-nonsense language Mercer spells out how to develop and improve the interpersonal and communication skills you need to survive and prosper in today's meaner and leaner work environment. Here's just a sam...(展开全部)

在线阅读本书 An innovative guide to how great nonprofits achieve extraordinary social impact. What makes great nonprofits great? Authors Crutchfield and McLeod Grant searched for the answer over several years, employing a rigorous research methodology which derived from books on for-profits like Built to Last . They studied 12 nonprofits that have achieved extraordinary leve...(展开全部)

这是一本关于太空、黑洞和微观宇宙的科幻小说集，包括16篇作品：追赶太阳、冲击参数、穿越黑暗、通过虫洞进出黑洞、遭遇太空海盗等。其中《在太阳下漫步》曾被《科幻世界》翻译成中文，题为《追赶太阳》，描写一位在月球上探险的科学家由于失去了与飞船的联系，为了生存不得不在月球上追赶太阳以求生存。小说发表后受到中国读者的广泛欢迎，《科幻世界》还为此邀请作者到北京和成都与读者见面，被中国读者称为“火星叔叔兰迪斯”，掀起了一股“火星叔叔热”。《穿越黑暗》描述了科学家缩小成原子，穿越黑洞进入以太的惊险故事。《黄蜂的奇特习性》描述福尔莫斯和华生联手破获外星人把受精卵植入伦敦女人体内借胎发肓的阴谋故事。等等。

这是一本关于太空、黑洞和微观宇宙的科幻小说集，包括16篇作品：追赶太阳、冲击参数、穿越黑暗、通过虫洞进出黑洞、遭遇太空海盗等。其中《在太阳下漫步》曾被《科幻世界》翻译成中文，题为《追赶太阳》，描写一位在月球上探险的科学家由于失去了与飞船的联系，为了生存不得不在月球上追赶太阳以求生存。小说发表后受到中国读者的广泛欢迎，《科幻世界》还为此邀请作者到北京和成都与读者见面，被中国读者称为“火星叔叔兰迪斯”，掀起了一股“火星叔叔热”。《穿越黑暗》描述了科学家缩小成原子，穿越黑洞进入以太的惊险故事。《黄蜂的奇特习性》描述福尔莫斯和华生联手破获外星人把受精卵植入伦敦女人体内借胎发肓的阴谋故事。等等。

"The decisions that investment professionals and fund managers make have a direct impact on investor return. Unfortunately, the best implementation methodologies are not widely disseminated throughout the professional community, compromising the best interests of funds, their managers, and ultimately the individual investor. But now there is a strategy that lets professionals m...(展开全部)