We study the relationship between career concerns and shared values empirically using employee-employer matched data for the United Kingdom and overtime hours as a proxy for hard work. In line with standard career-concerns theory (Holmström 1982) we find that employees work less overtime, the longer they have been with their current employer. We also find that employees who agree strongly with ...

In this paper, we study a new variant of the vehicle routing problem (VRP) with time windows, multi-shift, and overtime. In this problem, a limited fleet of vehicles is used repeatedly to serve demand over a planning horizon of several days. The vehicles usually take long trips and there are significant demands near shift changes. The problem is inspired by a routing problem in healthcare, wher...

The Covid-19 pandemic has resulted in the adoption of flexible work systems called Agile Working, which combines flexibility and technology. This research focused on Indonesian labor laws, namely UU 13/2003, Law No. 6 2023, PP 35/2021, to establish legal certainty for Working. Previous identified a lack framework remote working, shares similarities with aimed address this gap by providing new i...

The aims of the present study were to develop and validate the Japanese version of the checklist individual strength questionnaire (CIS) which is used to measure prolonged fatigue not only in the general population but also in the working population. We obtained permission to use CIS from its author and translated the questionnaire into Japanese. Then, the Japanese version of the questionnaire ...

There have been a number of successes of real-time application of physiological measures in operational environments such as with the control of remotely piloted vehicles (RPV). More recently, similar techniques have been investigated within the context of improving learning. A major challenge of the learning environment is that an individual's ability to perform the task, and thus their worklo...

OBJECTIVE To study transient risk factors for occupational eye injuries. METHODS A case-crossover study was conducted among patients treated for occupational eye injuries in the emergency department at an eye hospital in Alabama. A questionnaire was administered to collect information regarding risk factors at the time of and prior to eye treatment. Incidence rate ratios were used to measure ...