. . "Theorie" . . "Agglomerationseffekt / Regionale Konzentration / Kern-Peripherie-Beziehung / Theorie." . . "Geografía económica." . . "Regionales Cluster" . . . . . . . . . . . . . . . "Agglomeration and market interaction" . . "Agglomeration and market interaction"@en . . . . . . . . . . . . . . . . . . . . "Economics, economic history and consumer affairs." . . "Localización industrial." . . "Zentrum-Peripherie-Beziehung" . . "International commerce, marketing and economics." . . "Centre for Economic Policy Research (Gran Bretaña)" . . "Agglomerationseffekt" . .