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Abstract:Purpose: Since long waits in hospitals have been found to be related to high rates of no-shows and cancelations, managing waiting times should be considered as an important tool that hospitals can use to reduce missed appointments. The aim of this study is to analyze patients' behavior in order to predict no-show and cancelation rates correlated to waiting times.Design/methodology/approach: This study is based on the data from a US children's hospital, which includes all the appointments registered during one year of observation. We used the callappointment interval to establish the wait time to get an appointment. Four different types of appointment-keeping behavior and two types of patients were distinguished: arrival, no-show, cancelation with no reschedule, and cancelation with reschedule; and new and established patients. Findings:Results confirmed a strong impact of long waiting times on patients' appointmentkeeping behavior, and the logarithmic regression was found as the best-fit function for the correlation between variables in all cases. The correlation analysis showed that new patients tend to miss appointments more often than established patients when the waiting time increases. It was also found that, depending on the patients' appointment distribution, it might get more complicated for hospitals to reduce missed appointments as the waiting time is reduced.-1107-Journal of Industrial Engineering and Management -http://dx.doi.org/10.3926/jiem.2075 Originality/value: The methodology applied in our study, which combines the use of regression analysis and patients' appointment distribution analysis, would help health care managers to understand the initial implications of long waiting times and to address improvement related to patient satisfaction and hospital performance.

En este artículo, se desarrolla un método de Action Research para implementar técnicas de Lean Construction en los procesos de gestión de una empresa constructora. A través de la creación de equipos formados por profesionales de distintas áreas, se busca definir e implementar diferentes mejoras. Nuestra investigación se divide en tres fases: captación de datos, definición de las líneas de actuación e implementación y seguimiento del plan de actuación. Los resultados de nuestro estudio sugieren que la colaboración entre los diferentes departamentos ayuda a lograr un cambio empresarial significativo y a potenciar la implementación de la filosofía Lean Construction.

El crecimiento global del comercio electrónico continúa y las cadenas de suministro tradicionales se reinventan. A día de hoy, todavía no existe un marco que defina qué temas han sido los más presentes en la literatura sobre este aspecto. El objetivo de este artículo es ofrecer una recopilación bibliográfica actualizada sobre las implicaciones de este nuevo canal de ventas en la cadena de suministro, con una visión centrada en la figura de los e-retailers. En este marco, analizamos tanto los modelos de venta que se centran únicamente en el mercado online (puros e-retailers), como los que desarrollan una estrategia multicanal.

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