How do your answers compare with ours?
Answer:
Up to a point, some allowance is made for this in some National
Accounts
Answer:
Not yet. This puts major uncertainties into comparisons between
poorer countries that tend to have large self sufficient agricultural sectors and (often)
richer
countries that don't.
Answer:
No, though there is much controversy and estimates have been
made.
Answer:
They are not included.
Answer:
Allowances are made for informal economic activity and some attempt is made to harmonise
these
across national accounts. However the extent to which some immoral, criminal or informal
activities are included in money measures depend on declarations or estimates for tax
purposes.
It is obviously very difficult to harmonise standards or metadata in this area.