This paper argues that the informational requirements for good decision making in small and medium sized enterprises (SMEs) are complex and adaptive. It identifies the basic information needs of the SME, and considers how information is used to guide decisions. It argues that accounting...

We study the use of firms' book-to-market ratios (B/M) in value investing and its implications for comovements in firms’ stock returns and trading volumes. We show B/M has become increasingly detached from common alternative valuation ratios over time while also becoming worse at forecasting...