Nijkamp, Peter; Rietveld, Piet; Salomon, Ilan - In: The Annals of Regional Science 24 (1990) 4, pp. 237-52
Barriers are defined as discontinuties in the broadly defined marginal costs of communications, usually leading to a discontinuity in interaction. This paper addresses conceptual issues about barriers to communication. Several typologies of barriers are given. For example, according to the...