At the dated check, the references listed below either did not resolve in
Crossref or DataCite, or carried a retraction notice. Each one is shown with the
registry record that put it there.
The 68 checked references that resolve
resolves10.3386/w12354Volatility and Dispersion in Business Growth Rates: Publicly Traded versus Privately Held Firms
resolves10.1086/298219Industrial Specialization and the Returns to Labor
resolves10.2139/ssrn.1103067Regional Industrial Dominance, Agglomeration Economies, and Manufacturing Plant Productivity
resolves10.2307/2555454Patterns of Firm Entry and Exit in U.S. Manufacturing Industries
resolves10.1086/298198Plant Turnover and Gross Employment Flows in the U.S. Manufacturing Sector
resolves10.1257/aer.91.5.1454Nursery Cities: Urban Diversity, Process Innovation, and the Life Cycle of Products
resolves10.1086/262098Geographic Concentration in U.S. Manufacturing Industries: A Dartboard Approach
resolves10.1257/aer.89.2.311The Geographic Concentration of Industry: Does Natural Advantage Explain Agglomeration?
resolves10.3386/w13068What Causes Industry Agglomeration? Evidence from Coagglomeration Patterns
resolves10.1086/261629An Estimated Model of Entrepreneurial Choice under Liquidity Constraints
resolves10.1162/rest.88.3.472Job-Hopping in Silicon Valley: Some Evidence Concerning the Microfoundations of a High-Technology Cluster
resolves10.1086/209914The Absence of the African‐American Owned Business: An Analysis of the Dynamics of Self‐Employment
resolves10.1080/1366271032000141661THE LOCATIONAL DYNAMICS OF THE US BIOTECH INDUSTRY: KNOWLEDGE EXTERNALITIES AND THE ANCHOR HYPOTHESIS
resolves10.3386/w8117Decentralized Employment and the Transformation of the American City
resolves10.3386/w13833Identifying Agglomeration Spillovers: Evidence from Million Dollar Plants
resolves10.3386/w3301Patent Statistics as Economic Indicators: A Survey
resolves10.3386/w8498The NBER Patent Citation Data File: Lessons, Insights and Methodological Tools
resolves10.1086/381478Liquidity Constraints, Household Wealth, and Entrepreneurship
resolves10.1257/aer.90.2.215Knowledge Spillovers and Patent Citations: Evidence from a Survey of Inventors
resolves10.2307/2118401Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations
resolves10.2139/ssrn.999985Democratizing Entry: Banking Deregulations, Financing Constraints, and Entrepreneurship
resolves10.3386/w10923Financing Invention During the Second Industrial Revolution: Cleveland, Ohio, 1870-1920
resolves10.3233/jem-1993-19203Manufacturing Establishments Reclassified Into New Industries: The Effect of Survey Design Rules
resolves10.1287/mnsc.45.8.1109Technological Resources and the Direction of Corporate Diversification: Toward an Integration of the Resource-Based View and Transaction Cost Economics
resolves10.1162/rest.88.2.383Patent Citations and the Geography of Knowledge Spillovers: Evidence from Inventor- and Examiner-added Citations
resolves10.3386/w4653Intellectual Capital and the Birth of U.S. Biotechnology Enterprises
The 16 references without a DOI — listed, not checked
no DOI — not checkedR&D Spillovers and the Geography of Innovation and Production
no DOI — not checkedref9
no DOI — not checkedContrasts in Agglomeration: New York and Pittsburgh
no DOI — not checkedref15
no DOI — not checkedref18
no DOI — not checkedref19
no DOI — not checkedInnovation in Cities: Science-based Diversity, Specialization and Localized Competition
no DOI — not checkedref53
no DOI — not checked150 Years of American Invention: Methodology and a First Geographic Application
no DOI — not checkedref63
no DOI — not checkedref66
no DOI — not checkedref67
no DOI — not checkedref71
no DOI — not checkedref76
no DOI — not checkedref79
no DOI — not checkedref80
checked 2026-08-27 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.