Every minute, more than 3 million queries are submitted via Google’s search engine. Analyzing data on these queries, along with page results and subsequent clicks, can shed light on the kinds of information that consumers seek each day. However, search intentions may be influenced by variables such as the weather and even the TV shows aired on a certain day ... 阅读更多

Determining the ratio of product price to the marginal cost of production, otherwise known as the markup, is a key question in economics. In terms of the overall economy, markup variation affects the dynamics of inflation, the fluctuation of output and employment over business cycles, and the transmission of macroeconomic policies. At the firm level ... 阅读更多