Published Econometrica Online 1 Jan 2026 Published Jan 2026The Hitchhiker's Guide to Markup Estimation: Assessing Estimates From Financial DataMaarten De Ridder · Basile Grassi · Giovanni MorzentiUsing matched data combining physical production records (EAP survey) and financial statements (FARE) for 147,403 firm-years across 18 two-digit manufacturing industries in France (2009–2019), the …