Production functions provide a mapping from the firms' input quantity and productivity to output quantity. This mapping only generates unbiased estimates if input and output quality variation within and between observation units is accounted for. I review and classify state-of-the-art methods to...

We build a modified measure of disaggregation quality (MDQ), based on the disaggregation quality (DQ) measure from Chen, Miao, and Shevlin (2015). Like DQ, MDQ is a parsimonious measure of data disaggregation quality in the annual report that can be constructed through the percentage of...