1. The NBER Working Paper Series at 20,000

2. 2014 Google Scholar Metrics
RANK
JOURNAL
H-5 Index 1
Nature
355 2
The New England Journal of Medicine
329 3
Science
311 4
The Lancet
248 5
Cell
223 6
Proceedings of the National Academy of Sciences
217 7
Journal of Clinical Oncology
205 17
Angewandte Chemie International Edition
171 18
NBER Working Papers
168 21
arXiv Cosmology and Extragalactic Astrophysics (astro-ph.CO)
162 …… 55
The American Economic Review
122 71
Review of Financial Studies
116 98
The Journal of Finance
107

3. NBER WP 508 NBER WP 375 NBER WP 4840 NBER WP 7851