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Agglomeration and Productivity: Evidence from Firm-Level Data
58/58 checkable references clean · checked 2026-08-27
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
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The 58 checked references that resolve
resolves10.1287/mnsc.45.7.905
Localization of Knowledge and the Mobility of Engineers in Regional Networks
resolves10.1080/13662710701252450
Knowledge in Regional Economic Growth—The Role of Knowledge Accessibility
resolves10.1111/j.1468-2257.2008.00417.x
Innovation Ideas and Regional Characteristics: Product Innovations and Export Entrepreneurship by Firms in Swedish Regions
resolves10.2307/2297968
Some Tests of Specification for Panel Data: Monte Carlo Evidence and an Application to Employment Equations
resolves10.1016/0304-4076(94)01642-d
Another look at the instrumental variable estimation of error-components models
resolves10.3386/w11650
Heterogeneous Firms, Agglomeration and Economic Geography: Spatial Selection and Sorting
resolves10.2307/1909771
Pooling Cross Section and Time Series Data in the Estimation of a Dynamic Model: The Demand for Natural Gas
resolves10.1016/s0304-4076(98)00009-8
Initial conditions and moment restrictions in dynamic panel data models
resolves10.1080/0034340042000280947
Geographical Concentration, Entrepreneurship and Regional Growth: Evidence from Regional Data in Sweden, 1975-99
resolves10.1016/j.regsciurbeco.2008.03.003
Sectoral agglomeration economies in a panel of European regions
resolves10.1007/s10961-007-9058-7
The innovative performance of foreign-owned enterprises in small open economies
resolves10.1080/0042098002104
Diversity and Specialisation in Cities: Why, Where and When Does it Matter?
resolves10.3386/w11710
Job Hopping in Silicon Valley: Some Evidence Concerning the Micro-Foundations of a High Technology Cluster
resolves10.2307/2118401
Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations
resolves10.1016/0094-1190(90)90048-r
Labor heterogeneity, wage bargaining, and agglomeration economies
resolves10.1016/0166-0462(83)90033-9
Is population scale a worthless surrogate for business agglomeration economies?
resolves10.1257/0002828041464623
Workers' Education, Spillovers, and Productivity: Evidence from Plant-Level Production Functions
resolves10.1016/0094-1190(85)90040-3
Agglomeration economies in urban manufacturing industries: A case of Japanese cities
resolves10.1093/pan/mpm002
Efficient Estimation of Time-Invariant and Rarely Changing Variables in Finite Sample Panel Analyses with Unit Fixed Effects
resolves10.1006/juec.1993.1042
Productivity Gains from Geographic Concentration of Human Capital: Evidence from the Cities
resolves10.1016/j.regsciurbeco.2006.03.006
Spatial determinants of productivity: Analysis for the regions of Great Britain
resolves10.2139/ssrn.982943
How to do Xtabond2: An Introduction to Difference and System GMM in Stata
resolves10.1016/s1574-0080(04)80006-3
Chapter 49 Evidence on the nature and sources of agglomeration economies
resolves10.1111/j.1467-9787.1973.tb00377.x
LOCALIZATION ECONOMIES IN SMSA'S: A PRODUCTION FUNCTION ANALYSIS*
resolves10.1111/j.1467-9701.2007.00872.x
Exports and Productivity: A Survey of the Evidence from Firm‐level Data
resolves10.1016/j.jue.2006.02.004
Cities and the growth of wages among young workers: Evidence from the NLSY
resolves10.1007/978-1-4615-4603-0_11
Efficiency Comparisons for a System GMM Estimator in Dynamic Panel Data Models
resolves10.1016/j.jue.2006.03.004
Why do cities pay more? An empirical examination of some competing theories of the urban wage premium
The 11 references without a DOI — listed, not checked
no DOI — not checkedR&D Spillovers and the Geography of Innovation and Production
no DOI — not checkedref11
no DOI — not checkedref24
no DOI — not checkedref25
no DOI — not checkedRegional Productivity and Accessibility to Knowledge and Dense Markets
no DOI — not checkedref42
no DOI — not checkedref43
no DOI — not checkedref44
no DOI — not checkedref53
no DOI — not checkedref54
no DOI — not checkedref65
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