Gonchar, Ksenia; Ratnikova, Tatyana - 2013
manufacturing industry in Russia. A settlement is counted as part of an urban agglomeration in two cases: that of a large, central … employ a multilevel model, which allows us to consider firm, urban and regional heterogeneity and test two possible … explanations of the productivity advantages of firms in urban agglomerations ? own-sector and all economic activity concentration …