17.

Of course, the conclusions rest upon the empirically untested
model, and upon the numbers presented in Table 1. We regard this
as a pilot study, hopefully pointing the way towards a full blown
empirical treatment of both the model and the relevant parameters.
Note that (20) and (22) can be utilized to generate several
testable implications of the model.

REFERENCES

[1] Y. Barzel, "The Market for a Semipublic Good: The Case of the American Economic Review," American Economic Review, September 1971, 61, 665-74.

[2] W. J. Baumol and D. F. Bradford, "Optimal Departures from Marginal Cost Pricing," American Economic Review, June 1970, 60, 265-83.

[3] S. Berg, "An Economic Analysis of the Demand for Scientific Journals," Journal of the American Society for Information Science, January 1972, 23, 23-29.

[4] M. Boiteux, "Sur la gestion des Monopoles Publics astreints à l'équilibre budgétaire," Econometrica, January 1956, 24, 22-40. [5] Y. Braunstein, "Cost Data for Publication of Journals Preliminary Analysis," Discussion Paper No. 76-02, Center for Applied Economics, New York University, 1976.

[6] Y. Braunstein, "Economics of Journal Provision," (in progress), New York University.

[7] B. Fry and H. White, Economics and Interaction of Publisher-Library Relationship in the Production and Use of Scholarly and Research Journals, Final Report, NSF Grant GN-41398, November 1975.

[8] D. W. Katzner, Static Demand Theory. Macmillan: New York 1970. [9] F. P. Ramsey, "A Contribution to the Theory of Taxation," Economic Journal, March 1927, 37, 47-61.

[TO] P. A. Samuelson, "The Pure Theory of Public Expenditure," Review of Economics and Statistics, November 1954, 36, 381-89.

[11] I. W. Sandberg, "Two Theorems on a Justification of the Multiservice Regulated Company," Bell Journal of Economics, Spring 1975, 6, 346-56.

[12] United States Senate, Committee on the Judiciary, 93rd Congress,
Copyright Law Revision, Hearings on S. 1361, July 31 and
August 1, 1973.

[13] The Williams and Wilkins Co. v. The United States, 172 USPQ 670; 478 F. 2d 1345 (180 USPQ 49).

[14] R. D. Willig, "The Economic Gradient Method," unpublished

manuscript.