Mental Model: Multiplying By Zero

Mental Model: Multiplying By Zero

Basic Definition If you multiply effort in any area by zero, then the effort is completely wasted. Explanation of the Concept We know that five times zero is zero.  We know that 584,235 times zero is also still zero.  We’re taught this in school as simply “a rule”...
Mental Model: Bottlenecks

Mental Model: Bottlenecks

Basic Definition Bottlenecks are parts of a process where the result of the overall system is entirely dependent on it.  It is the limiting factor. Explanation of the Concept This is also known as the Law of the Minimum, or Liebig’s law of the minimum.  German...
Mental Model: Fight or Flight

Mental Model: Fight or Flight

Basic Definition Fight or Flight is a biological response to a threat.  Either your natural instinct is to fight the threat and attack it, or your natural instinct is to run away. Explanation of the Concept Coined by Walter Bradford Cannon of Harvard Medical School in...
Mental Model: Opportunity Cost

Mental Model: Opportunity Cost

Basic Definition   This is probably the most important mental model that I have come across and apply in my life, and it permeates almost every thought, decision, and action that I have. To put it simply, if you spend energy, time, money, or other resources doing...
Mental Model: Seizing the Middle

Mental Model: Seizing the Middle

Basic Definition By aligning yourself in a certain domain with favorable characteristics, you are more likely to have greater flexibility and reap more rewards.   Explanation of the Concept Practically, what does this mean though?  The example that Shane Parrish...