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.
The 43 checked references that resolve
resolves10.1007/PL00011486Geographic and sectoral characteristics of academic knowledge externalities
resolves10.1080/00343409950081211Spatial Transfer of Knowledge in High Technology Milieux: Learning Versus Collective Learning Processes
resolves10.1504/IJTM.2003.003384Territorial knowledge management: towards a metrics of the cognitive dimension of agglomeration economies
resolves10.1093/wber/15.2.177What have we learned from a decade of empirical research on growth? It's Not Factor Accumulation: Stylized Facts and Growth Models
resolves10.1002/jae.963Growth, technological interdependence and spatial externalities: theory and evidence
resolves10.1111/j.1538-4632.2006.00687.xThe Geography of Knowledge Spillovers Between High‐Technology Firms in Europe: Evidence from a Spatial Interaction Modeling Perspective
resolves10.1080/00343409950081167Collective Learning and Knowledge Development in the Evolution of Regional Clusters of High Technology SMEs in Europe
resolves10.1023/A:1007707430416A Generalized Spatial Two-Stage Least Squares Procedure for Estimating a Spatial Autoregressive Model with Autoregressive Disturbances
resolves10.1093/jeg/lbp036Innovation, spillovers and university-industry collaboration: an extended knowledge production function approach
The 22 references without a DOI — listed, not checked
no DOI — not checkedBellet M, Colletis G, Lung Y (1993) Introduction au numéro special sur l’économie de proximité. Révue d’économie régionale et urbaine 3:357–364
no DOI — not checkedBlundell R and Powell J (2003) Endogeneity in nonparametric and semiparametric regression models. In Dewatripont M, Hansen L and Turnsovsky SJ (eds.) Advances in Economics and Econometrics, Cambridge: Cambridge University Press
no DOI — not checkedCamagni R (1991) Local milieu, uncertainty and innovation networks: towards a new dynamic theory of economic space. In: Camagni R (ed) Innovation networks: spatial perspectives. Belhaven-Pinter, London, pp 121–144
no DOI — not checkedCapello R (2007) Regional economics. Routledge, London
no DOI — not checkedCapello R, Caragliu A, Nijkamp P (2011) Territorial captial and regional growth: increasing returns in knowledge use Tijdschrift voor economische en sociale geografie 101(2):1–17
no DOI — not checkedCiccone A, Hall RE (1996) Productivity and the density of economic activity. Am Econ Rev 86(1):54–70
no DOI — not checkedEuropean Council (1999a) Presidency conclusions, European Council, 24 and 25 March
no DOI — not checkedEuropean Council (1999b) Council regulation (EC) No. 1260/1999 laying down general provisions on the Structural Funds, Official Journal of the European Communities, 26 June 1999
no DOI — not checkedEuropean Commission (1996) First cohesion report, Commission of the European Community, Brussels, November
no DOI — not checkedEuropean Commission (1999) Sixth periodic report on the social and economic situation and development of the regions of the community, Commission of the European Communities, Brussels, February
no DOI — not checkedJacobs J (1969) The economy of cities. Vintage, New York
no DOI — not checkedKeeble D, Wilkinson F (2000) High technology clusters, networking and collective learning in Europe. Ashgate, Aldershot
no DOI — not checkedLa Porta R, Lopez-De-Silanes F, Shleifer A, Vishny R (1997) Trust in large organizations. Am Econ Rev Pap Proc 87:333–338
no DOI — not checkedMarshall A (1920) Principles of economics. Macmillan, London
no DOI — not checkedPerloff H, Dunn E, Lampard E, Muth R (1960) Region, resources and economic growth. John Hopkins, Baltimora, MD
no DOI — not checkedPerrin JC (1995) Apprentissage collectif, territoire et milieu innovateur: un nouveau paradigme pour le développement. In: Ferrão J
no DOI — not checked(ed) Políticas de Inovação e Desenvolvimento Regional et Local, Edição do Instituto de Ciencias Sociais de Universidade de Lisboa, republished in Camagni R, Maillat D (2006) Milieux innovateurs, Economica-Anthropos, Paris, pp 99-128
no DOI — not checkedPutnam RD (2000) Bowling alone. Simon and Schuster, New York, NY
no DOI — not checkedRallet A, Torre A (eds) (1995) Économie industrielle et économie spatiale. Economica, Paris
no DOI — not checkedRey SJ (2004) Spatial dependence in the evolution of regional income distributions. In: Getis A, Mur J, Zoeller H (eds) Spatial econometrics and spatial statistics. Palgrave, Hampshire, pp 194–213
no DOI — not checkedRey SJ, Montouri BD (2004) U.S. regional income convergence: a spatial econometric perspective. In: Cheshire P, Duranton G (eds) Recent developments in urban and regional economics. Edward Elgar, Cheltenham, pp 389–404
no DOI — not checkedWood SN (2006) Generalized additive models. an introduction with R, Boca Raton (FL): Chapman & Hall/CRC
checked 2026-07-25 — 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.