1. The document discusses different tiered pricing models for electronic journals that publishers have adopted, including models based on print subscription rates, Carnegie classifications, institutional enrollment, and usage. 2. It analyzes the potential impact of these different pricing models on one institution's library budget based on its journal usage, citations, enrollment size, and other factors. 3. The conclusion is that libraries now face many complex pricing models from publishers, and in the aggregate these models will always favor the publisher's financial interests over the library's budget constraints.