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Working Paper
Firm-Level Input Price Changes and Their Effects: A Deep Learning Approach
We develop firm-level measures of input and output price changes using textual analysis of earnings calls. We establish five facts: (1) Input prices increase (decrease) at the median firm once every seven (30) months. (2) Input price changes contain an equal blend of aggregate and firm-specific components. (3) A firm's stock price experiences a –1.15 percent return when our input price change measure is in the top tercile of price increases. (4) Our input price change measure predicts future changes in the cost of goods sold. (5) Firms pass through input price changes to output prices in ...