Decision tree - The most picturesque of all the allegedly scientific aids to making decisions. The analyst charts all the possible outcomes of different options, and charts all the latters' outcomes, too. This produces a series of stems and branches (hence the tree). Each of the chains of events is given a probability and a monetary value.

Common sense suggests that some factors in a [risk management] process are more important than others — and analysis supports this. In reality, only 20 percent of activities. In reality, only 20 percent of activities may account for up to 80 percent of results. This is known as Pareto's law, the “80/20 rule”...Pareto's law concentrates on the significant 20 percent and gives the less important 80 percent lower priority.

My first book “The Naked Manager”, a big success in 1971, had been followed by many others, and I wanted to write still more. Writing books is very interesting as each new project takes you in a different direction. You learn a lot – especially about what you yourself really think.