If the Per-Worker Production Function Shifts Up

Multiple Choice

If the per-worker production function shifts up,

A) it now takes more capital per hour worked to get the same amount of real GDP per hour worked.
B) an economy can increase its real GDP per hour worked without changing the level of capital per hour worked.
C) the per-worker production function becomes flatter.
D) negative technological change has occurred in the economy.
E) future production will require more resources than in the past.