This popular type of investment fund nearly always loses money

Investors hoping for big returns by putting their money into trendy topics like work-from-home and the metaverse through exchange traded funds (ETFs) will instead likely face gross underperformance, a new study shows.

Finding good music in noisy online markets

In 2004, a trio of researchers at Columbia University began an online experiment in social-media marketing, creating nine versions of a music-download site that presented the same group of unknown songs in different ways. ...

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