Many studies have analyzed the influence of either situational job characteristics or culture on job satisfaction. To date, the interrelationships between these two aspects – situational job characteristics and culture – have received very little attention. Assuming that culture is an...

This paper calls for a change in paradigm in lot sizing and scheduling. Traditionally, a discrete time scale is chosen to model lot sizing and scheduling. As an alternative, the so-called block planning concept is proposed which is based on a continuous representation of time. A mixed-integer...

The purpose of this paper is to provide a simple model to explain buyer–supplier relationships and identify factors that determine the chosen number of trading partners. We show that the optimal number of partners for a supplier is small, if it has low bargaining power, moderate economies of...

The number of different car and light truck models produced in North America has increased enormously over the last decades. The data suggests that producing this increased variety of vehicles is associated with a productivity penalty. We show that manufacturers can adopt complementary...