ABSTRACT
Subtractability The consumption of one individual reduces the quantity of a good available to
other individuals.
Nonexcludability It is physically impossible or socially unacceptable to exclude any individual
from using a good.
Subtractability The consumption of one individual reduces the quantity of a good available to
other individuals.
Nonexcludability It is physically impossible or socially unacceptable to exclude any individual
from using a good.