Yuhn, Ky-hyang; Sagul, Ryan - In: International journal of empirical economics 3 (2024) 3, pp. 1-31
For the last 50 years or so, the efficient market hypothesis (EMH) has been the central pillar of economic thought and the building block of portfolio theory. However, the validity of the EMH still remains controversial, and the methods of testing for market efficiency have been criticised. This...