21.   Provides an understanding of the theory of natural resource economics and focuses on the application of economic theory and ethical through to current environmental problems.

22.   This tension between economic arithmetic and the prescriptions of economic theory shows up in the discussion that follows.

23.   Some relate to queries concerning economic theory, others to the nature of the actors involved in political processes.

24.   Elsewhere contradictions between models and economic theory can be noted.

25.   Traditional economic theory suggests that there are benefits to be reaped from creating free movement.

26.   On this matter economic theory is silent.

27.   Secondly, the competition of economic theory is cast solely in terms of price competition and narrowly defined profit maximisation.

28.   Thirdly, in economic theory it is presumed that any level of output is always produced at the lowest technically feasible cost.

29.   The predictions of economic theory are not sufficiently clear-cut to permit us to proscribe monopoly outright.

30.   It is interesting to contrast this statutory definition of monopoly of one quarter with that of economic theory where monopoly refers to the existence of a single firm.