Twitter is a public, real-time, global platform where any user can create a Tweet and any user can follow other users. The platform is unique in its simplicity: Tweets are limited to 140 characters of text. This constraint makes it easy for anyone to quickly create, distribute and discover content that is consistent across our platform and optimized for mobile devices. As a result, Tweets drive a high velocity of information exchange that makes Twitter uniquely `live`....
+See MoreSharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 23 May 2026
2017-03-27 06:33:00 Monday ET

Goldman Sachs chief economist Jan Hatzius says the Federal Reserve's QE exit strategy makes sense ahead of Fed Chair Janet Yellen's stepdown in 2018
2018-06-29 11:41:00 Friday ET

Amazon acquires an Internet pharmacy PillPack in order to better compete with Walgreens Boots Alliance, CVS Health, Rite Aid, and many other drug distributo
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Many analytic business competitors can apply smart data science to support their distinctive capabilities and strategic advantages. Thomas Davenport and
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What are the primary pros and cons of free trade or fair trade in the current Sino-American quagmire? Free trade means allowing goods and services to move a
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Disney acquires 21st Century Fox in a $52 billion landmark deal. This deal has a total value of about $66 billion while Disney assumes $14 billion of Fox
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Thomas Sowell argues that some economic reforms inadvertently exacerbate economic disparities. Thomas Sowell (2019) Discrimination and econo