associated with the analyzed firms, and relied on accounting performance metrics, this study takes into account both return and … was used to assess reputation structures and expected return and risk. Structural equation modeling was employed to … over evaluating workplace practices. Originality/value This study's originality lies in its incorporation of return and …

Using a wavelet coherence approach, this study investigates the relationship between Bitcoin return and Bitcoin … index to observe the direct relationship between a change in sentiment and return. Our results robustly reveal that, before … the pandemic, sentiment had a positive efect on return. Although positive coherence still existed during the pandemic, the …

In this paper a real analysis approach to stock price modelling is considered. A stock price and its return are defined … functions of the return is zero, or is determined by jumps if the process is discontinuous. In particular, an extended Riemann …

relationship between portfolio beta-risk and return in the Argentinean, Brazilian, Chilean, and Mexican stock markets. We develop …