The Ricardo-Viner model and the Stopler-Samuelson models of trade politics rest on different assumptions about: Question 14 options: The ease with which factors of production can change industries Preferences for or against free trade vary depending on whether a person lives in a developed country or a developing country Whether the principle barriers to trade are based in polices (tariffs, etc.) or geographic Whether trade makes a country wealthy Whether or not a country is capital-abundant or labor-abundant