1- Complete:

A) While Dornbusch Fisher and Samuelson (1977) extended the setting of Ricardo to ---------------------. Eaton and Kortum Model (2002) extended the setting to-----------------.

B) Bernhofen and Brown 2004 tests one important implication of Ricardo's model: The value of imports minus exports at autarky prices should be ---------------. This implies that the value of imports minus exports at international prices should be -------------------------