What is next Single type of capital and single sector of production.>Multiple types of capital and multiple sectors. “Endogenize”the capital K and the productivity A-in terms of physical versus human capital,intentional capital accumulation versus unintentional spillovers,innovation and knowledge creation,etc. 电子科大经管学院马捷 8What is next ?  Single type of capital and single sector of production.  Multiple types of capital and multiple sectors.  “Endogenize” the capital K and the productivity A— in terms of physical versus human capital, intentional capital accumulation versus unintentional spillovers, innovation and knowledge creation, etc. 电子科大经管学院 马捷 8