1. Bhagwati, J., 1964, On the underinvoicing of imports, Bulletin of the Oxford University Institute of Statistics, November; ch. 9 in this volume.
2. Bhagwati, J., 1967, Fiscal policies, the faking of foreign trade declarations, and the balance of payments, Bulletin of the Oxford University Institute of Statistics, February; ch. 6 in this volume.
3. The Accuracy of Economic Observation;Morgenstern,1965