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 19 September 2026
2023-12-07 07:22:00 Thursday ET

Economic policy incrementalism for better fiscal and monetary policy coordination Traditionally, fiscal and monetary policies were made incrementally. In
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
2019-10-13 16:22:00 Sunday ET

Apple unveils 3 iPhone 11 models with new original video services and stars such as Oprah Winfrey, Jennifer Aniston, and Reese Witherspoon. Apple releases t
2018-09-11 18:36:00 Tuesday ET

President Trump tweets that Apple can avoid tariff consequences by shifting its primary supply chain from China to America. These Trump tariffs on another $
2018-11-30 12:42:00 Friday ET

Andy Yeh Alpha (AYA) AYA Analytica financial health memo (FHM) podcast channel on YouTube November 2018 AYA Analytica is our online regular podcast and news
2019-01-02 06:28:00 Wednesday ET

New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy. The Federal Reserve can respond to