D83, D90, D91
C93, I23
J16, J24, J81, C93
D74, I25, C93
Q48 – Energy: Government Policy; L25 – Firm Performance: Size, Diversification, and Scope; C93
I11, C91, J24, D83
C93, D90, H40, O18, Q54
D72; D83; L82; L86
C90, C93, D10, D14, D15, D22
D83, E31, E52, E71, R21