List of Articles Ownership-Control Wedge Open Access Article Abstract Page Full-Text 1 - Investigating the efficiency internal capital markets of business groups in allocating resources and performance; the effect of ownership-control wedge and product Market competition Faramarz Karami Taleghani Mohammad Reza Vatanparast Javad Rezazadeh Keyhan Azadi Hir 10.30495/afi.2023.1983050.1207