There is not enough discussion going on about the relationship between corporate growth and employee wages. The growth rate of wages seems to be a fraction of corporate growth as measured by the S&P 500. At some point in time corporations cared about their workers. Now, it seems that workers are replaceable just like parts in a car.
You can blame the e-commerce giant Amazon for the pain that some small businesses are feeling as a result of Amazon’s decision to offer standard free shipping on most orders.
Net Promoter Score is BS due to sampling bias. When a subset of a population is used to extrapolate generalizations about the entire population it is wise to make sure that your sample population properly represents the entire population. If your sample does not represent the population that you wish to understand more about than the data is useless.