Economics and Usage of Digital Libraries: Byting the BulletSkip other details (including permanent urls, DOI, citation information)
This work is protected by copyright and may be linked to without seeking permission. Permission must be received for subsequent distribution in print or electronically. Please contact email@example.com for more information. :
For more information, read Michigan Publishing's access and usage policy.
13. Note that confirmation of my portfolio hypothesis in the current context does not necessarily generalize to other acquisition environments in which cost per use is relied upon less or is more difficult to measure.
[ return to text ]