Which of the following is NOT a robust statistical regularity (stylised fact) characterising firms' export decision: Question 4 Answer a. Most exporters tend to export most of their output b. Firms that both export and import are more productive than firms that only export or import c. Firms that export are a minority within a given industry d. New exporters are more likely to exit the foreign market than to continue exporting in the year after they start exporting e. Exporters are larger and more productive than non-exporters