Visualizing flows between origins and destinations can be straightforward when dealing with small numbers of journeys or simple geographies. Representing flows as lines embedded in geographic space has commonly been used to map transport flows, especially when geographic patterns are important as they are when characterising cities or managing transportation. However, for larger numbers of flow...

The global emergence of city bicycle hire schemes has recently received a lot of attention in the performance and modelling research community. A particularly important challenge is the accurate forecast of future bicycle migration trends, as these assist service providers to ensure availability of bicycles and parking spaces at docking stations, which is vital to match customer expectations. T...

I TOUCHED BRIEFLY ON THE evolution of runway visual range (more commonly known as “RVR”) in my article about approach light systems (“Lights, Camera, Action!” August IFRR). This article discusses low-visibility operations and the differences between visibility and RVR, both from the regulatory and operational viewpoints. Because some readers make their living by flying under “for-hire” rules, I...

Divorce and the Excess Burden of Lawyers We present a model where divorcing spouses can choose to hire lawyers in their divorce process. Spouses encounter incentives as in the classical prisoners’ dilemma: Despite the zero sum nature of the game and the lawyers’ fees, each spouse has an incentive to hire a lawyer. We propose a simple institutional setting allowing for joint lawyers in order to ...

In this study, we examined internship as a recruitment and selection process. On the basis of impression management theory, we hypothesized that both organizations and interns make efforts to impress the other party during the internship if they intend to hire or be hired. Using longitudinal data collected at 3 points from 122 intern–supervisor dyads in the United States, we found that 60% of i...

Firms posting job openings in an online labor market were randomly assigned minimum hourly wages. When facing a minimumwage, fewer firms made a hire, but those workers they did hire were paid a higher wage. However, the reduction in hiring was not large, even at the highest minimum wage imposed. In contrast, minimumwages substantially reduced hours-worked, across cells. Firms facing a higher mi...