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 6 December 2025
2019-05-05 10:34:00 Sunday ET

Former Vice President Joe Biden enters the next U.S. presidential race with many moderate-to-progressive policy proposals. At the age of 76, Biden stands ou
2025-08-09 11:31:00 Saturday ET

Wharton e-commerce entrepreneurship professor Dr Karl Ulrich explains that many top-notch universities now provide massive open online courses (MOOCs) for m
2019-04-21 10:07:54 Sunday ET

Central bank independence remains important for core inflation containment in the current age of political populism. In accordance with the dual mandate of
2019-06-23 08:30:00 Sunday ET

The financial crisis of 2008-2009 affects many millennials as they bear the primary costs of college tuition, residential demand, health care, and childcare
2018-01-13 08:39:00 Saturday ET

The Economist digs deep into the political economy of U.S. government shutdown over 3 days in January 2018. In more than 4 years since 2014, U.S. government
2018-10-27 09:34:00 Saturday ET

U.S. automobile and real estate sales decline despite higher consumer confidence and low unemployment as of October 2018. This slowdown arises from the curr