Duolingo Inc. provides mobile language learning platform. Duolingo Inc. is based in PITTSBURGH....
+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 12 September 2026
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
2018-06-29 11:41:00 Friday ET

Amazon acquires an Internet pharmacy PillPack in order to better compete with Walgreens Boots Alliance, CVS Health, Rite Aid, and many other drug distributo
2018-01-13 08:39:00 Saturday ET

The Economist digs deep into the political economy of U.S. government shutdown over 3 days in January 2018. In more than 4 years since 2014, U.S. government
2018-02-11 07:30:00 Sunday ET

President Trump unveils his ambitious $1.5 trillion public infrastructure plan. Trump proposes offering $100 billion in federal incentives to encourage stat
2017-01-27 17:19:00 Friday ET

Tony Robbins explains in his latest book on personal finance that *patience* is the top secret to successful stock investment. The stock market embeds an
2023-04-21 12:39:00 Friday ET

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide. Angus Deaton (2015)