Skip to main content

Currently Skimming:


Pages 42-45

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 42...
... The Rationale for Public Funding for the Trunk and Roots As noted above, the economic rationale for public funding of the trunk and roots of the information tree derives from the public good nature of environmental information, and the characteristic of declining average costs. The public good aspect can be summarized as follows.
From page 43...
... To facilitate further distribution these facts should be made available at no more than the marginal cost of reproduction and should be useable without restriction for all purposes. The aspect of declining average cost leads to the following observations: Homogeneous product markets lead to monopolies.
From page 44...
... For the shared environmental systems under discussion measurements must be made using a variety of remotely sensed and in situ instruments, positioned both throughout the United States and in other countries, and combined with retrospective data. The infrastructure, communications, and personnel costs of participating facilities are high compared with the cost of disseminating the resulting data and information products.' · The cost of making and distributing additional copies of each core product is negligible compared to the cost of generating the master copy.
From page 45...
... Such competition can be expected to Tower the street price until there is no possibility of the primary producer recovering even a significant fraction of the total cost of production. Under these circumstances, a Tower limit to the street price is set by the marginal cost of reproduction (i.e., by the additional cost to an intermediary of making a single extra copy)


This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More information on Chapter Skim is available.