You probably didn't stop to consider that the $2 tip you left the waiter at lunch today involves a complex web of social psychology, personal morality and economics.

"What is a guy selling mayonnaise in 50-gallon drums doing in education?" Robert Craves asked the audience during a recent presentation at the W. P. Carey School's Economic Club of Phoenix.

Addressing a mixed audience recently at the W. P. Carey School of Business, U.S. Treasurer Anna Escobedo Cabral breezed through an economic update before plunging into the controversial issue of illegal immigrant workers.

When an employee underperforms, supervisors must decide whether to fire that person or wait to see whether performance improves. In the balance are the transition costs of finding a replacement and getting that person up to speed mdash; costs could be saved if the original employee improves.

Knowledge Management (KM) systems have provided companies with a tool that allows them to collect and provide access to the collective expertise of their employees. The appeal is obvious: Sharing experiences and lessons leads to efficiency and innovation.

In the aftermath of the terrorist attacks of Sept. 11, 2001, insurance coverage for commercial property and casualty loss in the event of terrorism became hard to find and prohibitive to purchase. Congress responded in November 2002, enacting the Terrorism Risk Insurance Act.

When Wharton professor Karl Ulrich began thinking about ways to compensate for the pollution he caused in everyday life — including auto emissions — he came up with a novel idea, which he eventually pitched to the 41 students in his "Problem Solving, Design and System Improvement" class.

In an ideal world, consumers' choices in relation to the incremental costs of producing goods and services would dictate what gets produced, and at what price. Choices should tell us about preferences.

Spending by state government in Arizona is on the rise.

Paralleling the boom in private equity deals in recent years has been a growing sense of alarm about these multibillion dollar transactions.