The purpose of this study was to examine the relationships between serious leisure characteristics and subjective well-being as well as clarify the moderating effect of spousal support in their relationships. A total of 264 valid questionnaires were collected from a sample of older adult...

When arriving at a busy port, a container ship usually need to queue in anchorage waiting for a berth. If the port establishes a toll scheme, the ship may rationally adjust sailing speed and time to save the cost, otherwise she has to pay for berthing on time. Consequently container ships'...

This article establishes a series of the optimal n-step toll schemes (where n = 1, 2, 3, …) which are levied to container ships for a queuing port. Container ships' arrival times at the port will be rationally dispersed after pricing the optimal n-step toll schemes. Consequently, the queuing...