RT Article T1 Leverage risk, financial crisis, and stock returns: a comparison among Islamic, conventional, and socially responsible stocks JF Islamic economic studies VO 20 IS 1 SP 87 OP 143 A1 Bhatt, Vaishnavi A1 Sultan, Jahangir 1956- LA English YR 2012 UL https://www.ixtheo.de/Record/75600733X K1 Kapitalmarkttheorie K1 Kapitalstruktur K1 Return on Investment K1 Finanzkrise K1 Aufsatz in Zeitschrift