They are used to predict changes in overall output and activity in an economy, including stock price, new order of investment, order of housing and buildings and consumption confidenceindicator.
He tracks Google searches for the "gold price" as an indicator of economic confidence.
他跟踪了谷歌上“黄金价格”的搜索数量，把其作为经济信心的指标。
3
Consumer and business confidence rose in the euro area in September, with Germany leading the economic-sentiment indicator for the 16-member currency union close to a three-year high.