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 20 June 2026
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,
2020-01-08 08:25:00 Wednesday ET

Conservative Party wins the British parliamentary majority in the general election with hefty British pound appreciation. In response to this general electi
2018-06-14 10:35:00 Thursday ET

The Federal Reserve's current interest rate hike may lead to the next economic recession as credit supply growth ebbs and flows through the business cyc
2022-10-15 09:34:00 Saturday ET

Internal capital markets and financial constraints Duchin (JF 2010) empirically finds that multidivisional firms with robust internal capital markets ret
2017-11-24 08:41:00 Friday ET

Is Bitcoin a legitimate (crypto)currency or a new bubble waiting to implode? As its prices skyrocket, bankers, pundits, and investors increasingly take side
2018-02-23 09:35:00 Friday ET

Warren Buffett releases his annual letter to Berkshire Hathaway shareholders as of February 2018. Buffett discusses Berkshire's core cash ambition, its