11.   The costs per capita of providing a particular local public good depend on the number of residents who share the total cost.

12.   Increasing the number of residents reduces the costs of a fixed level of the public good.

13.   The public good in question is not a pure public good but one whereby congestion costs are experienced as capacity levels are reached.

14.   The line Nopt plots the optimal number of residents for any given quantity of the public good.

15.   Musgrave and Musgrave note that technical economies of scale may be experienced in the provision of increased quantities of a local public good.

16.   Not all benefits of a locally provided public good are experienced by the locality that provides it.

17.   The optimal size of the local authority depends on the kind of public good under consideration.

18.   It may be impractical to have local authorities of different sizes for each and every local public good that any locality may provide.

19.   We have to ensure that people who deserve to be locked up for the public good are locked up.

20.   Vigilance is certainly required that funding allocated for the public good should not be siphoned off into private firms.