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 85 checked references that resolve
resolves10.2307/2667105Collaboration Networks, Structural Holes, and Innovation: A Longitudinal Study
resolves10.1137/s0036144502415960A Measure of Similarity between Graph Vertices: Applications to Synonym Extraction and Web Searching
resolves10.3386/w13060Identifying Technology Spillovers and Product Market Rivalry
resolves10.2307/2393553Absorptive Capacity: A New Perspective on Learning and Innovation
resolves10.2307/2109925Firm Size and the Nature of Innovation within Industries: The Case of Process and Product R&D
resolves10.1257/aer.89.1.249Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations?
resolves10.1257/aer.96.5.1859How Special Is the Special Relationship? Using the Impact of U.S. R&D Spillovers on U.K. Firms as a Test of Technology Sourcing
resolves10.1086/210179Where Do Interorganizational Networks Come From?
resolves10.1086/653506Identifying Peer Effects in Student Academic Achievement by Spatial Autoregressive Models with Group Unobservables
resolves10.2307/2298123Identification of Endogenous Social Effects: The Reflection Problem
resolves10.1287/mnsc.42.6.875When Competition Eclipses Cooperation: An Event History Analysis of Joint Venture Failure
resolves10.2307/2393988Interorganizational Collaboration and the Locus of Innovation: Networks of Learning in Biotechnology
resolves10.1086/421508Network Dynamics and Field Evolution: The Growth of Interorganizational Collaboration in the Life Sciences
resolves10.1016/j.respol.2006.01.006Inter-firm R&D partnering in pharmaceutical biotechnology since 1975: Trends, patterns, and networks
resolves10.1287/orsc.1070.0339Investigating the Microstructure of Network Evolution: Alliance Formation in the Mobile Communications Industry
resolves10.1515/zna-2002-3-406On Kites, Comets, and Stars. Sums of Eigenvector Coefficients in (Molecular) Graphs
resolves10.2307/2555525Price and Quantity Competition in a Differentiated Duopoly
resolves10.2307/1911463Cost Reduction, Competition, and Industry Performance
resolves10.2307/2297771International R & D Rivalry and Industrial Strategy
The 22 references without a DOI — listed, not checked
no DOI — not checkedref3
no DOI — not checkedref11
no DOI — not checkedThe key player problem
no DOI — not checkedref22
no DOI — not checkedref23
no DOI — not checkedref29
no DOI — not checkedCooperative and noncooperative R&D in duopoly with spillovers
no DOI — not checkedBig and clever. Why large firms are often more inventive than small ones. Ein� o, E., 2013. R&D subsidies and company performance: Evidence from geographic variation in government funding based on the ERDF population-density rule
no DOI — not checkedStrategic alliances and partner asymmetries
no DOI — not checkedref53
no DOI — not checkedref57
no DOI — not checkedResearch joint ventures and R&D cartels
no DOI — not checkedref62
no DOI — not checkedref65
no DOI — not checkedref67
no DOI — not checkedref72
no DOI — not checkedA fast computation of the characteristic polynomial
no DOI — not checkedMixing patterns in networks
no DOI — not checkedref83
no DOI — not checkedref98
no DOI — not checkedCooperative and noncooperative R&D in an oligopoly with spillovers
no DOI — not checkedforthcoming. Hence, we obtain a global maximum for the concave quadratic optimization problem if the matrix I n + 2R ? (I n ? 1 2 (2I n + ?B)R) is positive definite
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.