More importantly, however, the growth of manufacturing--and of the penumbra of other jobs that the new export sector creates--has a ripple effect throughout the economy.
The export sector is the sole cause of the increase in manufacturing.
mnli hypothesis: The export sector is the sole cause of the increase in manufacturing. premise: More importantly, however, the growth of manufacturing--and of the penumbra of other jobs that the new export sector creates--has a ripple effect throughout the economy.