Fiddling with the google Ngram viewer . this graph throws up an interesting cultural correlation between Corporations and Jobs.
In the early part of the century the main provider of Jobs were the Corporations. Infact the term Job gained currency around 40 years after the boom in corporations started.
During the war years the corporation as a term lost currency drastically and around this time jobs became a more popular coinage.
this also kind of underlines the fall in status of a corporation as a job creation medium.
for those who dont fully understand the google ngram viewer. Its basically is a graphic representation of the number of occurrences of a particular word in books a certain year. It can give us a perspective on the prevalent culture at various periods in the last 300 years.