economic procedures for facilitating transactions between buyers and sellers
reasons for slowing the technological development in light of environmentalist objections
technological innovations making it possible to achieve optimum allocation of resources
18. The author cites air pollution from motor vehicles in lines 54-56 in order to
revise cost estimates calculated by including the costs of resources
evaluate legal methods used to prevent technological developments
give examples of costs not included in buyer-seller bargains
refute hypotheses not made on the basis of monetary exchange values
commend technological research undertaken for the common welfare
19. According to the passage, transactions between private buyers and sellers have effects on society that generally
are harmful when all factors are considered
give rise to ever-increasing resource costs
reflect an optimal allocation of natural resources
encompass more than the effects on the buyers and sellers alone
are guided by legal controls on the development of technology
20. It can be inferred from the passage that the author does NOT favor which of the following?
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