Happiness in the work place

It is a fact that happy employees produce more and better results, are more creative, more energised, make better decisions and are lower maintenance.



If this is a well known fact, why is it then that happiness in the workplace is the most underused productivity tool?
In my view, happiness in the work place produces so spectacular results that the old position of Head of Human Resources, now called position of Chief Talent Officer, should be changed to Chief Happiness Officer if companies want to see sustainable quantum leaps in productivity gains.
In my personal experience, I was consistently very happy in the various jobs and positions I held. In reflection, I think it's because I moved, every 5 years or so, divisions, geographies or companies. It seems it takes HR departments about 5 years to zero in on happy employees and take measures of reducing their happiness as they construe it as a sign of "waste" that should be eliminated!
My advice to companies start measuring the extent of happiness of your employees and take steps to increase it.
PS: Professor Christopher J. Ruhm in his paper "A Healthy Econmy Can Break Your Heart" found that a 1% reduction in unemployment increases acute myocardial infarction (AMI) mortality by 1.3%! In other words, economic recessions reduce smoking, inactivity, and obesity which drive AMI and chronic conditions which account for 75% of the cost of healthcare in the US.