... between risk and realized return trade‐off. Nikolaos G. Theriou can be contacted at: ntheriou@teikav.edu.gr © Emerald Group Publishing Limited 2010 Greece Stock exchanges Capital asset pricing model Portfolio investment Rate of return The capital asset pricing model (CAPM) has...

... to a common mean[2]. The findings of beta instability in DSE imply that investors in the developing markets like DSE also should consider the time‐varying nature of beta while designing their portfolios and setting required rate of returns. Investments for longer holding periods should be re‐evaluated after...

... Rate of return Cause and effect analysis Evidence indicates that stocks display a palpable quantity of short‐term predictability. Hamao et al. (1990) detail spillover effects between USA and international markets whereas Lo and MacKinlay (1999) find positive correlation between...