The Arc Models.

The Arc Models are a set of three-dimensional, dynamic CGI representations of the primary pedagogical models of international trade theory. By characterizing economies according to their manufacturing, service, and agricultural/natural resource sectors, the Arc Models present a novel approach to teaching trade theory by either focusing in on a single economy or altering the scale of observation to an economic grouping of world economies. The Arc Models are a collection of true, dynamic models in that they have the ability to capture the inter-temporal transitions between static equilibria using 3D animation. The diagrams and models that have been treated include: market supply and demand, the Ricardian model of comparative advantage, world production in the Ricardian model, the Ricardian fixed factor model, the Ricardian continuum of goods model, offer curves; the standard trade model, the Heckscher-Ohlin model including Findlay-Grubert diagrams, the 3-Factor model, and the specific-factors model.