It is one of the basic principles taught to students studying economics. Introduced by Lord Alfred Marshall, it forms a crux in the micro-economic level often reflected in routine, day-to-day life.

If you’re shopping for a new dishwasher, you might be thrilled to save a few hundred bucks on a model you like during a big sale. But there’s almost no chance that you would buy the same dishwasher ...

Here at the Olin Business School at Washington University in St. Louis - just recently ranked the top undergraduate business program in America - it's that time of year for students to start cramming ...