Instructions to replicate can be found here
Full thesis can be found here
DGP 1: One treatment group, TE is unit-and time- homogeneous,
DGP 2: One treatment group, TE is unit-homogeneous,
time-varying
DGP 3: Multiple Treatment Groups, Time-Invariant Homogeneous TE
DGP 4: Multiple Treatment Groups,Time-Invariant Heterogeneous
TE
DGP 5: Multiple Treatment Groups, Time-Varying Homogeneous TE
DGP 6: Multiple Treatment Groups, Time-Varying Heterogeneous TE
DGP 7: Multiple Treatment Groups, Time-Varying Heterogeneous TE,
Unconditional Parallel Trends Violated
DGP 8: Multiple Treatment Groups, Time-Varying Heterogeneous TE,
Parallel Trends Violated