Will Coinbase’s latest efforts help to level the user playing field? Perhaps, but more adoption, liquidity and regulation will also be needed. It has long been believed that investors possessing ...

Good sex might be priceless, but there’s still a market for it. Ideally, such a market doesn’t involve money—but demand is rampant, supply plentiful, and the exchange goes on every day in every way.

There is pervasive evidence that individuals invest primarily in local stocks and thus hold poorly diversified portfolios. The present article develops a theoretical model in which the presence of ...