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 13 June 2026
2025-04-30 08:27:00 Wednesday ET

The multiple layers of the world cloud Internet help expand what can be made digitally viable from electric vehicles (EV) and virtual reality (VR) headsets
2023-10-14 10:32:00 Saturday ET

Jonathan Baker frames the current debate over antitrust merger review and enforcement in America. Jonathan Baker (2019) The antitrust paradi
2019-08-16 17:37:00 Friday ET

Amazon faces E.U. antitrust scrutiny over the current e-commerce use of merchant data. The European Commission probes into whether Amazon uses key third-par
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
2019-03-01 13:36:00 Friday ET

Global economic uncertainty now lurks in a thick layer of mystery. This uncertainty arises from Sino-U.S. trade tension, Brexit fallout, monetary policy nor
2019-02-17 14:40:00 Sunday ET

U.S. economic inequality increases to pre-Great-Depression levels. U.C. Berkeley economics professor Gabriel Zucman empirically finds that the top 0.1% rich