D72, J16
: General / O31 Innovation and Invention: Processes and Incentives / O32 - Management of Technological Innovation and R&D
J16, D83, D91, G41
Q12, Q16, J16.
I38: Government Policy – Provision and Effects of Welfare Programs
J24, J21, J16, I24
J24, J21, J16, I24
I24, J16, J24, C93, D83
D9; D2; J16; C91
C83, C99, D01, D91, J15, J16, J64, O57