In the Romer Model,as More Labor Is Devoted to Research

In the Romer model,as more labor is devoted to research and development there is ________.

A) an immediate increase in output per capita and a permanent increase in output per capita
B) an immediate decrease in output per capita and a permanent increase in output per capita
C) an immediate increase in output per capita and a permanent decrease in output per capita
D) an immediate decrease in output per capita and a permanent decrease in output per capita