Pareto Law: 20% effort to determine the 80% of success

I first heard this Pareto law from Dr. Rhenald Kasali in his book "Change" about a year ago. This law is itself triggered by an Italian economist, Pareto Vilvredo in early 1900. This law is also known as the 20/80 law (the law of few) where a few (20%) largely determine the outcome (80%).

In the context of management of this law can be translated that there is a 20% effort to determine the 80% of success, while another 80% effort to determine just 20% of success.

Pareto Law is very important to determine the focus of effort was going to do to achieve success. He must find and do some important things that determine most of these results. While most of this or other job he could delegate to others so that he can concentrate on tasks that really determines your success.

For example there are 10 work to be done to achieve a mission you must finish. So as a leader, you have to find two jobs (20%) the most important 80% that determines the success of your mission to try with yourself. Meanwhile, eight other job (80%) of 20% only determine mission success, can you delegate to subordinates or other parties.

By using this kind of Pareto law, you can ensure that all efforts to 'key' which determines your success, can be resolved properly.