Zucker, Lynne G.; Darby, Michael R.; Peng, Yusheng - 2021
, such as intellectual human capital, can predict where and when biotechnology enterprises emerge and agglomerate. Density … more conjectural than empirically tenable. We argue and demonstrate for biotechnology that an alternative model based on … essentially uncorrelated with the panel data on biotechnology entry by year and region while the combined model has correlation …