An increase in economic activity where production, consumption, and employment rise (economic expansion/boom).
景気拡大に伴って雇用が大きく増えた。
Employment increased significantly along with the economic expansion.
今年は内需の強さで景気拡大が続く見込みだ。
This year the economic expansion is expected to continue thanks to strong domestic demand.
株価は景気拡大を反映して上昇した。
Stock prices rose, reflecting the economic expansion.