David Hummels: h-index, Total Citations, and Citation Map
David Hummels's h-index is 39 (57 i10-index, 26,167+ total citations across 104+ publications) according to Google Scholar as of July 2026. David Hummels is affiliated with Department of Economics, Purdue University.
David Hummels is a researcher affiliated with Department of Economics, Purdue University, specializing in International Economics. Their work has been cited 26,167 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
David Hummels's Citation Metrics
Bibliometric impact based on 104 indexed publications.
- H-Index
- 39
- i10-Index
- 57
- Total Citations
- 26,167
- Citing Countries
- 39
As of July 2026.
David Hummels has an h-index of 39 and 26,167 total citations across 104 publications, with research cited by institutions in 39 countries.
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Global Impact Map
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The nature and growth of vertical specialization in world trade
20015,884
Top Citing Countries
Top Citing Institutions
Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
16 citing papers could not be classified (no author data) — excluded from the percentages above.
The researcher established a foundational framework for analyzing vertical specialization in global trade, subsequently expanding this inquiry to quantify the distinct impacts of transportation costs and time delays on international commerce.
The researcher established a foundational framework for analyzing the variety and quality of national exports, a seminal contribution that has significantly shaped international trade literature.
The researcher established a foundational framework for analyzing the spatial determinants of trade costs, significantly advancing the field of international trade geography.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About David Hummels's research
David Hummels is a researcher in International Economics at Department of Economics, Purdue University. Their work has been cited 26,167 times across 104 publications (h-index 39), according to Google Scholar.
Their most-cited work, “The nature and growth of vertical specialization in world trade” (2001), has accumulated 5,884 citations. Other influential works include “The variety and quality of a nation's exports” (2005) with 3,213 citations and “Transportation costs and international trade in the second era of globalization” (2007) with 2,598 citations.
Citations of David Hummels's research come primarily from United States, China and United Kingdom, reflecting international research impact across 5+ countries. The interactive citation map above shows the full geographic distribution of the institutions citing this work.
