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 20 June 2026
2017-07-01 08:40:00 Saturday ET

The Economist interviews President Donald Trump and spots the keyword *reciprocity* in many aspects of Trumponomics from trade and taxation to infrastructur
2025-06-20 08:27:00 Friday ET

President Trump poses new threats to Fed Chair monetary policy independence again. We describe, discuss, and delve into the mainstream reasons, conc
2018-03-29 14:28:00 Thursday ET

Share prices tumble for technology stocks due to Trump's criticism of Amazon's tax avoidance, Facebook user data breach of trust, and Tesla autopilo
2019-01-21 10:37:00 Monday ET

Andy Yeh Alpha (AYA) AYA Analytica financial health memo (FHM) podcast channel on YouTube January 2019 In this podcast, we discuss several topical issues
2017-03-15 08:46:00 Wednesday ET

The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio
2025-07-26 09:26:00 Saturday ET

Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our lives. The Hooked Model can help shine new lig