The Cigna Group, together with its subsidiaries, provides insurance and related products and services principally in the United States. The Cigna Group, formerly known as Cigna Corporation, is based in Bloomfield, Connecticut....
+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 21 March 2026
2023-08-21 12:25:00 Monday ET

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions. Steven Shavell (2004)
2019-05-19 19:31:00 Sunday ET

MIT professor and co-author Daron Acemoglu suggests that economic prosperity comes from high-wage job creation. Progressive tax redistribution cannot achiev
2019-07-25 16:42:00 Thursday ET

Platforms benefit from positive network effects, scale economies, and information cascades. There are at least 2 major types of highly valuable platforms: i
2017-06-21 05:36:00 Wednesday ET

In his latest Berkshire Hathaway annual letter to shareholders, Warren Buffett points out that many people misunderstand his stock investment method in seve
2017-06-15 07:32:00 Thursday ET

President Donald Trump has discussed with the CEOs of large multinational corporations such as Apple, Microsoft, Google, and Amazon. This discussion include
2018-06-08 13:35:00 Friday ET

The Federal Reserve delivers a second interest rate hike to 1.75%-2% and then expects subsequent rate increases in September and December 2018 to dampen inf