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 7 February 2026
2019-03-09 12:43:00 Saturday ET

Pinterest files a $12 billion IPO due in mid-2019. This tech unicorn allows users to pin-and-browse images through its social media app and website. Pintere
2023-05-28 10:24:00 Sunday ET

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence. Thomas Piketty (2017) &nbs
2019-08-02 17:39:00 Friday ET

The Phillips curve becomes the Phillips cloud with no inexorable trade-off between inflation and unemployment. Stanford finance professor John Cochrane disa
2020-08-05 08:33:00 Wednesday ET

Business leaders often think from a systemic perspective, share bold visions, build great teams, and learn new business models. Peter Senge (2006) &nb
2019-03-17 14:35:00 Sunday ET

U.S. trade rep Robert Lighthizer proposes America to require regular touchpoints to ensure Sino-U.S. trade deal enforcement. America has to maintain the thr
2018-04-02 07:33:00 Monday ET

China President Xi JinPing tries to ease trade tension between America and China in his presidential address at the annual Boao forum. In his vulnerable att