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 7 March 2026
2018-03-19 10:37:00 Monday ET

Uber's autonomous car causes the first known pedestrian fatality from a driverless vehicle and thus sets off the alarm bell for artificial intelligence.
2019-12-19 14:43:00 Thursday ET

JPMorgan Chase CEO Jamie Dimon views wealth inequality as a major economic problem in America. Dimon now warns that the rich Americans have been getting wea
2018-07-17 08:35:00 Tuesday ET

Henry Paulson and Timothy Geithner (former Treasury heads) and Ben Bernanke (former Fed chairman) warn that people seem to have forgotten the lessons of the
2023-12-09 08:28:00 Saturday ET

International trade, immigration, and elite-mass conflict The elite model portrays public policy as a reflection of the interests and values of elites. I
2026-02-14 11:26:00 Saturday ET

Our AYA fun podcasts deep-dive into the current global trends, topics, and issues in macro finance, political economy, public policy, strategic management,
2017-01-03 03:26:00 Tuesday ET

President-Elect Donald Trump wants Apple and its tech peers to consider better and greater high-tech job creation in America. Apple has asked its primary