Public Policy Institute of California
The Public Policy Institute of California is an independent, non-profit research institution. Based in San Francisco, California, the institute was established in 1994 by Bill Hewlett, of Hewlett-Packard, Roger Heyns, and Arjay Miller, with a $70 million endowment from Hewlett. Derived from Wikipedia licensed CC-BY-SA.
Open Access statistics for Public Policy Institute of California, United States, covering academic research published from 2000 to 2025. Read More.
Open Access Percentage
57%
Total
Publications
3K
Total Open
Publications
1.7K
Total
Citations
99K
Open Access
Percentage
57%
Total
Publications
3K
Total Open
Publications
1.7K
Total
Citations
99K
Breakdown
Publisher Open
15%
Both
13%
Other Platform Open
25%
Closed
47%
Percentage of Open Access over time
Publisher Open
Both
Other Platform Open
Closed
Volume of Open Access over time
Open
Closed
Publisher Open
OA Journal 38%
278
Hybrid 24%
178
No Guarantees 38%
280
Other Platform Open
Other Internet 49%
498
Institution 34%
338
Domain 32%
325
Preprint 7%
68
Public 2%
23
Other Platform Locations
Name | Platform Type | Publications |
|---|---|---|
DOI | Other Internet | 495 |
PubMed Central | Domain | 315 |
doaj.org OAI-PMH Repository | Institution | 117 |
RELX Group (Netherlands) | Institution | 52 |
RePEc: Research Papers in Economics - RePEc | Preprint | 45 |
Unknown Repository | Other Internet | 27 |
California Digital Library | Institution | 27 |
Figshare | Public | 18 |
Econstor | Domain | 13 |
Europe PMC | Domain | 12 |