The term non-fiction writer covers vast fields. This list includes those with a Wikipedia page who had non-fiction works published.
Comparative advantage in an economic model is the advantage over others in producing a particular good. A good can be produced at a lower relative opportunity cost or autarky price, i.e. at a lower relative marginal cost prior to trade. Comparative advantage describes the economic reality of the gains from trade for individuals, firms, or nations, which arise from differences in their factor endowments or technological progress.
The Cyclopædia of Biblical, Theological and Ecclesiastical Literature is a reference work of ten volumes and two supplements published in the late 19th century, co-authored by John McClintock, academic and minister, and James Strong, professor of exegetical theology. The volumes were published by Harper and Brothers of New York.