firmsseemto havereachedthislimitintheearly1980s.Thehighlevelof diversificationledtopoorperformance,andthis,inturnledtoa massivewaveofrefocusing(Bowman&Singh,1989;Markides, 1995).Inmanyemergingeconomies,diversificationiswitnessedin theformofaffiliationtoabusinessgroup.Mostofthesebusiness groupsin...