Berkshire Hathaway is a holding company, which owns subsidiaries in insurance, rail roads, utilities, manufacturing services, retail and home building. The most important of these are insurance businesses conducted on both a primary basis and insurance basis, a freight rail transportation business and a group of utility and energy generation and distribution businesses. It has four major operating sectors - The Insurance group (includes GEICO, Government Employees Insurance Company writes private passenger automobile insurance); General Re (conducts reinsurance business, offering property and casualty, life and health coverage to clients worldwide); Berkshire Hathaway Reinsurance Group (underwrites excess-of-loss reinsurance and quota-share coverage for insurers and reinsurers globally); Berkshire Hathaway Primary Group (comprises a wide variety of independently-managed insurance businesses that principally write liability coverage for commercial accounts)....
+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 5 September 2026
2025-05-21 04:27:10 Wednesday ET

Carol Dweck describes, discusses, and delves into the scientific reasons why the growth mindset often helps motivate individuals, teams, and managers to acc
2018-04-23 07:43:00 Monday ET

Harvard professor and former IMF chief economist Kenneth Rogoff advocates that artificial intelligence helps augment human productivity growth in the next d
2022-10-05 08:24:00 Wednesday ET

Precautionary-motive and agency reasons for corporate cash management Bates, Kahle, and Stulz (JF 2009) empirically find that public firms have doubled t
2018-05-29 11:40:00 Tuesday ET

America and China, the modern world's most powerful nations may stumble into a **Thucydides trap** that Harvard professor and political scientist Graham
2019-09-21 09:25:00 Saturday ET

President Trump praises great unity and progress at the G7 summit with respect to Sino-U.S. trade conflict resolution, global climate change, containment fo
2023-08-14 09:25:00 Monday ET

Peter Isard analyzes the proper economic policy reforms and root causes of global financial crises of the 1990s and 2008-2009. Peter Isard (2005) &nbs