Assume that half of our world’s people, arbitrarily selected, were vaporized by space aliens or teleported to the parallel universe, however no other feature of life on our Earth was influenced. Avoiding any disruptions to families or psychological trauma this calamity might cause, the average economic well being of the survivors would: (1) Rise since of enhanced efficiencies related with the divisions of labor in production. (2) Reduction as of decreased specialization and exchange according to the comparative benefit. (3) Raise as of rises in the per capita accessibility of economic capital and land. (4) be unaffected as the total value of the world production would not be influenced in a expected direction. (5) Reduction as reductions in the total human capital on Earth.