The business case document often includes strategic proposals, resource estimates and timelines for production. In our example, the software development team can present estimates and timelines ...

For example, a business may attempt to increase output ... slice of pizza you eat is worth $10 to you. If this is the case, marginal analysis gives the slice a net benefit of $8 ($10-$2).

The case study method forms the basis of learning at Harvard Business School, with more than 80% of classes built on the method. It is also used at many other universities around the world.