Sukpanich, Nessara; Rugman, Alan M. - Department of Business Economics and Public Policy, … - 2007
This study examines the relationships between intra-regional sales, product diversity, and performance of 45 … merchandising firms using data from 1997 - 2003. The interaction effects between product diversity and intra-regional sales on … (ROA) and return on sales (ROS) show that at high levels of intra-regional sales, small levels of product diversity can …