noun
business index; economic indicator
A composite measure of economic activity, often used in news and economic reports.
景気指数が前月より上昇した。
The business index rose compared to the previous month.
政府は景気指数を毎月発表している。
The government releases the economic indicator every month.
経済指標 is a broader term for any economic statistic, while 景気指数 specifically refers to a composite index measuring business conditions.
Compound of 景気 (business conditions) and 指数 (index).