Assume that half of the world population, randomly certain, was magically vaporized through space aliens, although no other aspect of life onto Earth was influenced. Ignoring any psychological trauma that calamity might entail, upon average, the economic well being of survivors would be: (1) decreased because of decreased specialization and exchange according to comparative advantage. (2) increased due to increases into the per capita availability of land and economic capital. (3) decreased due to declines in the total value of human capital on Earth. (4) increased because of improved efficiencies related with divisions of labor in productive processes. (5) unaffected since the total value of world production would not be influenced in a predictable direction.
How can I solve my Economics problem? Please suggest me the correct answer.