“…The role of the inefficient investment hypothesis in explaining changes in the diversification discount surrounding corporate expansion, such as asset purchases, has so far escaped the attention of researchers. Asset acquisition is an important corporate expansion strategy, which is motivated by either efficiency concerns (Sicherman and Pettway, 1987;Maksimovic andPhillips, 2001 and2002;Warusawitharana, 2008;and Ray and Warusawitharana, 2009) or managerial self-interest (Jensen, 1986;Lang et al, 1991;and Freund et al, 2003). 2 Previous studies indicate that asset acquisitions facilitate asset buyers' efficiency (Warusawitharana, 2008), but this effect may not exist when there are severe agency problems (Freund et al, 2003).…”