According to the Solow model, Japan had a __________ growth rate of output per capita than the U.S. during the 1960s and 1970s because ____________.
lower; U.S. baby boomers joined the workforce during that period.
higher / U.S. baby boomers joined the workforce during that period.
higher / Japan started out with a lower initial capita-labor ratio.
lower / Japan started out with a lower initial capital-labor ratio.