“…Thirdly, the study offered different interpretations of investment behavior for the policy makers to help in decision making. In previous literature, researchers have applied linear and nonlinear time-series econometric methodologies, including ARCH and GARCH class models (Aloui et al 2015a), switching regime models (Aloui et al 2015b), and copula methods (Naifar et al 2016), to estimate the relevant information. Recently, wavelet techniques have revealed their ability to overcome the leading shortages of traditional time-series models, and from a financial perspective, they help in distinguishing between short-and long-run investors' behaviors, which is more appropriate in the co-movement analysis between shariah stock and sukuk bonds.…”