Purpose – In order to decrease patient waiting time and improve efficiency, healthcare systems in some countries have recently begun to shift away from decentralized systems of patient referral from general practitioners (GPs) to specialists toward centralized ones. From a queueing theory...

Leadership competencies are important contributing factors of successful performance among leaders. As theory suggests, humility can have a significant effect on building emotional and social competencies. In this study, we examine the effect of humility on competencies both directly and...

Supply chain integration (SCI) has become increasingly important among firms. Several studies have addressed SCI's effect on firm performance. However, many moderating factors such as demand uncertainty can influence its effect. In this study, we empirically examined the moderating effect of...

The effect of performance-contingent reward and choice on motivation and performance continues to be debated. Studies in economics and behavioral psychology consider performance-contingent rewards and choice as two separate motivational mechanisms that reinforce motivation and performance....