Understudy Daman Mills will voice Frieza for upcoming works should Ayres be unable to continue. At this point, we do not know if Ayres' voice is the one that appears in Dragon Ball FighterZ.
The Classical Theory of the International Trade, also known as the Theory of Comparative Costs, was first formulated by Ricardo, and later improved by John Stuart Mill, Cairnes, and Bastable. Image Courtesy : img.docstoccdn.com/thumb/orig/130458705.png.
The concept was first proposed by Alfred Wegener, the originator of the theory of continental drift, in his 1912 publication The Origin of Continents (Die Entstehung der Kontinente).