Afya Limited is a medical education group primarily in Brazil. Afya Limited is based in NEW YORK....
+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
2025-03-03 04:11:06 Monday ET

Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati
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Broadcom, a one-time division of Hewlett-Packard and now a semiconductor maker whose chips help power iPhone X, has announced its strategic plans to move it
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Michael Woodford provides the theoretical foundations of monetary policy rules in ever more efficient financial markets. Michael Woodford (2003)  
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The Trump team receives a 3.2% first-quarter GDP boost as Fed Chair Jay Powell halts the next interest rate hike in early-May 2019. This smooth upward econo
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Walter Scheidel indicates that persistent European fragmentation after the collapse of the Roman Empire leads to modern economic growth and development.
2022-11-05 11:32:00 Saturday ET

CEO overconfidence and corporate performance Malmendier and Tate (JFE 2008, JF 2005) argue that overconfident CEOs are more likely to initiate mergers an