[no_wizard]

It accounts for them in as so far as acknowledging their existence and assigns them limited scope.

What this paper misses is the behavioral economic aspects that these regulations promote, or more importantly do not promote.

They can see the trees but are missing the forest.

[llamaimperative]

No, those policies only matter, definitionally, in so far as they actually affect the elasticity of supply. The elasticity of supply is what they measured and found it does not matter, ergo those policies (and all related hypothetical supply-elasticity-affecting forces) effectively do not matter relative to other factors (well, one factor in particular: income).