When does market success indicate superior merit? We show that when consumer choices between products with equal prices depend on quality but also past popularity, more popular are not necessarily of higher quality. Rather, a medium level popularity may be associated lower than levels popularity. Using formal model, we this kind nonmonotonic association occurs reinforcing processes strong. More...

This paper presents QSUP, a programming environment enhanced with measurement facilities. Its prime aim is to support preserving software quality standards by the programmers. QSUP offers low level information (raw metric data), as well as high level information such as advice in natural language on quality improvement of the project or a particular routine. The environment presented in this pa...