“…Nonetheless, it is not known with certainty whether the comparison between socially responsible investment and Islamic mutual funds will yield any differences in the findings. However, other literature attributes this result to the Ramadan effect, the consequence of which is abnormally high returns on Islamic mutual funds during Ramadan compared with the remaining periods of the year (Seyyed et al, 2005;Białkowski et al, 2012Białkowski et al, , 2013Al-Khazali, 2014;Mitchell et al, 2014;Gavriilidis et al, 2016). However, other literature attributes this result to the Ramadan effect, the consequence of which is abnormally high returns on Islamic mutual funds during Ramadan compared with the remaining periods of the year (Seyyed et al, 2005;Białkowski et al, 2012Białkowski et al, , 2013Al-Khazali, 2014;Mitchell et al, 2014;Gavriilidis et al, 2016).…”