Companies may choose to outsource parts, but not all, of their call-center operations. In the course of studying contact centers in the telecommunications and financial services industries, we have observed the following (apparently) common scheme. A company classifies its customers as high or low-value, serving the former with their " in house " operations and routing the latter to an outsourc...

Call graphs are fundamental for many higher-level code analyses. The selection of the most appropriate call graph construction tool an analysis is not always straightforward and depends on purpose results’ further usage. choice has a great effect following tasks’ execution time, memory usage, result quality. This research compares resulting static dynamic Java to assist in tools. Static graphs,...

Many equity markets combine continuous trading and call auctions. Oftentimes designated market makers (DMMs) supply additional liquidity. Whereas prior research has focused on their role in trading, we provide a detailed analysis of activity Using data from Germany’s Xetra system, find that DMMs are most active when they can the greatest benefits to market, i.e., relatively illiquid stocks at t...

Working Paper Series Introduction " The Sun never sets on the British Empire, " was a notion emphasized during the eighteenth and nineteenth centuries to highlight that the British Empire was far-flung, and that the sun was always visible from some part of this vast empire. While the British Empire has gradually disintegrated, we can now coin an equivalent notion: " The Sun never sets on the 24...

The excellent initiative of the Community Practitioners' and Health Visitors' Association - that school nurses investigate poor toilet facilities - is to be applauded (news November 27).

When a new facility like a grocery store, a school, or a fire station is planned, its location should ideally be determined by the necessities of people who live nearby. Empirically, it has been found that there exists a positive correlation between facility and population densities. In the present work, we investigate the ideal relation between the population and the facility densities within ...

This paper considers four schemes for routing low-value calls between the client company and the outsourcer. These schemes vary in the complexity of their routing algorithms, as well as the sophistication of the telephone and information technology infrastructure they require of the two operations. For three of these schemes, we provide a direct characterization of system performance. For the f...