Philip Wright and David Phillips

In concluding that only systematic risk matters, finance theory assumes that frictions in capital markets are negligible. The absence of frictions implies that all market participants become as costlessly and equally informed as everyone else — that is, no individual is more informed than others or, to use a technical term, there is no information asymmetry. This assumption, combined with several other assumptions, implies … [ Read more ]

Communicating with the marketplace

Ground breaking research by MIT examines the relationship between information disclosure and a company’s cost of capital.