In Pursuit of the Perfect Portfolio: Eugene F. Fama

via Barry Ritholtz

  • 効率的市場仮説(efficient market hypothesis)という名称について

FAMA: A kind of bad choice though.

LO: Why do you say that?

F: Because it gets mixed with efficient portfolios. …. I don’t know what is the alternative.

Landon Thomas, Jr., At BlackRock, Machines Are Rising Over Managers to Pick Stocks, New York Times, March 28, 2017

On Tuesday, BlackRock laid out an ambitious plan to consolidate a large number of actively managed mutual funds with peers that rely more on algorithms and models to pick stocks. …

Some $30 billion in assets (about 11 percent of active equity funds) will be targeted, with $6 billion rebranded BlackRock Advantage funds. These funds focus on quantitative and other strategies that adopt a more rules-based approach to investing.

“The democratization of information has made it much harder for active management,” Mr. Fink said in an interview. “We have to change the ecosystem — that means relying more on big data, artificial intelligence, factors and models within quant and traditional investment strategies.”