This paper explores the price rigidity in China using 259 monthly domestic and foreign macroeconomic time series. A factor-augmented vector autoregressive (FAVAR) model expanded with global components is employed. Four findings are obtained. First, the model shows that disaggregated price...

The paper studies the effects of new product rumors about the iPhone on the stock price of the Apple company. We scrape iPhone rumors from Macrumors.com, and obtain a dataset covering 1,264 articles containing 180 words on average bet-ween January 2002 and December 2015. Moreover, we construct a...