1950s boast:

"Americans are in the pleasant predicament of having to live fifty percent better better than they ever have before."

And ....

"Between 1940 and 1955 the personal income of Americans rose 293 percent.

National wealth increased by 60 percent between 1947 and 1961.

Six percent of the world's people, Americans consumed one - third of the world's goods and services by the middle of the 1950s ..."

Snippets from page 9 of All Shook Up.

And then along came Rock'N'Roll, huh??!! :)