From what I understood in the end the conclusion was that only a relatively small part of the productivity difference can be explained by electronics minification.
And while we can find reasons the productivity increased faster in the 90s, it's not difficult to find reasons why the productivity should increase now as well.
Software, network and sensor technology advances rapidly. Biotechnology and medicine too (MRI, better cancer treatments, RNA vaccines, etc).
In the same period of time (80s/90s) there were enormous changes of the manufacturing economy in the US. Reforms to the financial system. Outsourcing to Asia etc.
So many factors not taken into account. Such science only serves to create compelling stories of the past, it doesn't have predictive value.
And while we can find reasons the productivity increased faster in the 90s, it's not difficult to find reasons why the productivity should increase now as well.
Software, network and sensor technology advances rapidly. Biotechnology and medicine too (MRI, better cancer treatments, RNA vaccines, etc).
In the same period of time (80s/90s) there were enormous changes of the manufacturing economy in the US. Reforms to the financial system. Outsourcing to Asia etc.
So many factors not taken into account. Such science only serves to create compelling stories of the past, it doesn't have predictive value.