Vlachos, Vasileios A.; Kalimeris, Dimitris K. - In: International Journal of Trade and Global Markets 3 (2010) 3, pp. 312-325
The purpose of this paper is to investigate the weak form of market efficiency, based on the concept of mean-variance analysis. The investigation initiates with an appraisal of the prediction of future closing prices from past closing prices from a sample comprising the stock of 79 enterprises...