Th e logi c behin d th e catch-u p effec t i s that
A.
worker s i n countrie s wit h lo w income s wil l wor k mor e hour s tha n worker s i n countrie s wit h hig h incomes.
B.
th e capita l stoc k i n ric h countrie s deteriorate s a t a highe r rat e becaus e i t alread y ha s a lo t o f capital.
C.
ne w capita l add s mor e t o productio n i n a countr y tha t doesn' t hav e muc h capita l tha n i n a countr y that alread y ha s muc h capital.
D.
Non e o f th e abov e i s correct.