Which quantity represents the socially-optimal quantity of output in this market? a. q' b. either q or q'. it is necessary to know whether the externality is positive or negative to determine the socially-optimal quantity. c. q d. some quantity between q and q'. the socially-optimal quantity depends on the negotiating skills of the interested parties.

earlier philosophers whose work influenced the enlightenment included bacon, descartes, locke, and spinoza. the major figures of the enlightenment included beccaria, diderot, hume, kant, montesquieu, rousseau, adam smith, and voltaire. it spread the ideas of the enlightenment across europe and beyond.

answer; ///he could not explain why the continents drifted;