Public Policy Institute of California

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 2024. Read More.


Open Access Percentage

54%


Total
Publications

1.9K


Total Open
Publications

1K


Total
Citations

62K


Open Access
Percentage

54%


Total
Publications

1.9K


Total Open
Publications

1K


Total
Citations

62K

Wikipedia

Website

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Breakdown

14% 9% 21% 56%

Publisher Open

14%

Both

9%

Other Platform Open

21%

Closed

56%

Percentage of Open Access over time

0%10%20%30%40%50%60%70%80%90%100%
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Publisher Open

Both

Other Platform Open

Closed

Volume of Open Access over time

020406080100120140160Total Publications
2000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024

Open

Closed

Publisher Open

37%OA Journal

OA Journal 37%

131

Hybrid 16%

58

No Guarantees 47%

167

Other Platform Open

Other Internet 57%

286

Domain 27%

134

Institution 23%

115

Preprint 7%

33

Public 1%

7

Other Platform Locations

Name

Platform Type

Publications

DOI
Other Internet
280
PubMed Central
Domain
133
SSRN Electronic Journal
Institution
42
RePEc: Research Papers in Economics - RePEc
Preprint
25
ETH Zurich - Repository for Publications and Research Data
Institution
13
Europe PMC
Domain
9
Econstor - Econstor
Other Internet
9
Unknown Repository
Other Internet
8
University College Dublin - Research Repository at University College Dublin
Institution
5
Figshare
Public
5
1 / 7

Data updated 18 August 2025

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