"Theorie" . . . . . . . . . . . . . . . . . . . . . . . "Research and development, regional spillovers, and the location of economic activities" . "Research and development, regional spillovers, and the location of economic activities"@en . . "Research and development regional spillovers and the location of economic activities" . "Regionalökonomik" . . "Produktionsstandort" . . "Industrielle Forschung" . . . . "Spillover-Effekt" . . "Economische productie." . . "Economische geografie." . .