Block Inc. is a technology company with a focus on financial services. Block Inc., formerly known as SQUARE INC, is based in SAN FRANCISCO....
+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
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Corporate diversification theory and evidence A recent strand of corporate diversification literature spans at least three generations. The first generat
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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.
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President Trump delivers his second state-of-the-union address to U.S. Congress. Several key themes emerge from this presidential address. First, President
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The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio
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Nir Eyal and Ryan Hoover explain why keystone habits lead us to purchase products, goods, and services in our lives. The Hooked Model can help shine new lig
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A brief biography of Dr Andy Yeh (PhD, MFE, MMS, BMS, FRM, and USPTO patent accreditation) Dr Andy Yeh is responsible for ensuring maximum sustainable me