The staff scheduling problem in the retail business is considered for which a new mathematical model and new solution methods are introduced. The problem is formalized as a set covering type problem. Columns represent feasible weekly working time patterns of one sales clerk. Rows correspond to...

This study investigates how competencies lead to performance. We propose that salespersons in the Korean pharmaceutical industry require three central competency dimensions: motive and traits, self-concept, and knowledge and skills. Further, we argue that the level of salesperson competencies is...