The Economic Consequences of Such a Large Number of People Holding a Belief

A survey taken in 2010 found that 41% of all Americans expect that Jesus will either definitely or probably have returned to earth by the year 2050. What are the economic consequences of such a large number of people holding such a belief? Most of what we call evangelical denominations do very strongly believe in the real worldliness of Second Coming. No doubt there are some people, but I don't think that's too prevalent.