This article considers innovation accounting using an Error Correction Model and Directed Acyclical Graphs (DAGs) on 10 Global Industry Classification Standard (GICS) aggregations of daily US equity values over the years 1995 to 2003. The GICS equity aggregates studied are: Consumer...

A mathematical model using a probability density function of the terminal dwelling time distribution is developed to estimate the number of passengers arriving at an airport terminal at various times. A two-way ANOVA that tests the effects on different airports and access time durations were...