It’s All about Growth
Northwestern economics professor Robert
Gordon has a written a mostly very good and a very long book (762 pages in the
print edition) on the history of economic growth in the United States from 1870
to the present. In his view it is all about the rise and fall of total factor
productivity (the gains in output not due to increased labor and capital
inputs, or if you will technological improvements). I know this sound very
boring, but he explains the growth in output in terms of how it affected the
daily home and work lives of average Americans. In other words he tells a very
good story as to how the typical American moved from a completely disconnected
life without indoor plumbing in 1870 to a fully connected life with water,
sewerage, electricity, radio and telephones by 1940. The American of 1940 would
not recognize the life of an American in 1870 while the American of today would
readily recognize the life of a typical 1940 American.
To him much of this improvement is due
to what he calls the second industrial revolution which was brought into being
by the widespread adoption of electricity and the internal combustion engine. along
with indoor plumbing remade the economy. In a way his book is a paean to
industrial capitalism whose innovations brought about this revolution. Further,
although it is hard to believe today, the introduction of the automobile in the
early 1900s was the clean technology of its day. Simply put the major cities of
the country were knee deep in horse poop and horse piss that local residents
struggled to avoid. They were literally swimming in pollution.
Compare this to the third industrial
revolution we are experience today involving information technology, computers
and communications. Sure those technologies have improved our lives, but how do
they compare to indoor plumbing and electric lights. Gordon demonstrates
through a careful analysis of the data that the information revolution peaked
from 1996-2004 and has since slowed down. Specifically Moore’s Law which states
computer chip capacity doubles every 18-24 months which held from the late
1960s to the early 2000s broke down in the past decade to a pace of doubling
every four to six years.
Going forward Gordon is a
“techno-pessimist.” He views the 1870-1970 period as a one off event. The
recent slowdown in productivity and economic growth certainly supports his
view. Whether he is right, or not, only time will tell. Where I would disagree
with Gordon is that he labels the rise of income inequality as an impediment to
growth. To me that is a stretch because during his golden age of 1870-1940
there were two distinct periods of high and rising income inequality. The first
was the gilded age of 1895-1910 and second was the roaring twenties. During
those two time periods the standard of living for the average American grew
rapidly and it is hard to see in the data that it was an impediment to growth
especially when Gordon admits the official data grossly understated overall economic
growth.
I know that this review has hardly done
justice to Gordon’s magisterial work. I highly recommend it for those
interested in how our lives came to be.
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