The case for including agglomeration benefits within transport appraisal rests on an assumed causality between access … of transport projects. The results show a high degree of sensitivity to treatment for unobserved heterogeneity and to … agglomeration effects of transport investments cannot be interpreted causally. …

The case for including agglomeration benefits within transport appraisal rests on an assumed causality between access … of transport projects. The results show a high degree of sensitivity to treatment for unobserved heterogeneity and to … agglomeration effects of transport investments cannot be interpreted causally. …

('agglomeration'), that this effect is stronger for the top of the income distribution ('polarization'), and that household income …

This paper studies how firm heterogeneity in terms of productivity affects the balance between agglomeration and … mark-ups. It shows that firm heterogeneity matters. However, whether it shifts the balance from agglomeration to dispersion … 'evenness'. Accordingly, the role of firm heterogeneity in selection models of agglomeration cannot be fully understood without …

coagglomeration to document heterogeneity across industries in the microfoundations of agglomeration economies. The pattern of …Many prior treatments of agglomeration either explicitly or implicitly suppose that all industries agglomerate for the … approach is the extrapolation of the agglomeration experience of one key sector or cluster to the larger economy. Another is …