RT Article T1 The role of ethical standards in the relationship between religious social norms and M&A announcement returns JF Journal of business ethics VO 170 IS 4 SP 721 OP 742 A1 Zolotoy, Leon A1 O'Sullivan, Don A1 Song, Keke A2 O'Sullivan, Don A2 Song, Keke LA English YR 2021 UL https://ixtheo.de/Record/1761119583 K1 religious social norms K1 Agency concerns K1 Mergers and acquisitions K1 Aufsatz in Zeitschrift DO 10.1007/s10551-019-04356-9