Moore's law refers to which of the following?

A) The steady state rate of growth of output per capita will equal the rate of growth of technological progress.
B) The number of transistors in a chip would double approximately every 18-24 months.
C) The steady state rate of growth of output per effective worker will be zero.
D) The saving rate that maximizes steady state consumption is .5 (s = 0.5).
E) none of the above

B