In an earlier paper, a general risk equation, applicable to all non growth systems, and inclusive of financial systems, was derived. It related expected throughput capacity of any system to both system resources and positive risk of loss of throughput capacity. Two risk measures were required, a...

<title>Abstract</title> The authors tested whether student performance in the principles of economics course is affected by the use of graphs as part of a lecture. They conducted two experiments at the University of South Carolina, one in spring 1995 and another in spring 1997. Students were randomly assigned...