Purpose The purpose of this paper is to study the effect of managerial education levels on the wealth effect at the time of investment announcements, by testing two competitive hypotheses: the agency theory-based overinvestment hypothesis vs the Q-theory-based organizational legitimacy...

Building upon two competing hypotheses, the 'efficient investment' hypothesis and the 'internal capital markets' hypothesis, we set out in this study to examine the role of organizational form, in terms of 'focus' versus 'diversification', in explaining the long-run stock and operating...