Andersson, Martin; Larsson, Johan P.; Wernberg, Joakim - 2017
-city industry cluster in a diversified, large city appears to let firms enjoy the benefits of local industry-specific externalities … that these two types of externalities co-exist, but differ in their spatial distribution and attenuation within cities …. There are robust positive effects of diversity and specialization on firms' TFP growth at the local within-city neighborhood …