The efficient-market hypothesis (EMH) is one of the most important economic and financial hypotheses that have been … EMH, some academics have questioned whether EMH is valid, and pointed out that the financial literature has substantial … clearly define the concept of market efficiency and the EMH. We discuss some efforts that challenge the EMH. We review …

This paper presents a case study of a well-informed investor in the South Sea bubble. We argue that Hoare's Bank, a …