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 11 April 2026
2022-11-05 11:32:00 Saturday ET

CEO overconfidence and corporate performance Malmendier and Tate (JFE 2008, JF 2005) argue that overconfident CEOs are more likely to initiate mergers an
2026-10-31 12:38:00 Saturday ET

Today tech titans and billionaires continue to reshape global pharmaceutical investments for both better healthspan and longer lifespan. We discuss, desc
2019-02-02 11:36:00 Saturday ET

The Trump administration teams up with western allies to bar HuaWei and other Chinese tech firms from building the 5G high-speed infrastructure due to natio
2019-11-21 11:34:00 Thursday ET

Berkeley macro economist Brad DeLong sees no good reasons for an imminent economic recession with mass unemployment and even depression. The current U.S. ec
2019-11-01 12:31:00 Friday ET

Kourtney Kardashian shares the best money advice from her father. This advice reminds her that money just cannot buy happiness. As the eldest of the Kardash
2017-09-03 10:44:00 Sunday ET

President Donald Trump has released his plan to slash income taxes for U.S. citizens and corporations. The corporate income tax rate will decline from 35% t