Making Use of an Economic Model Is a Process of

Making use of an economic model is a process of

A) solving hundreds of simultaneous equations.
B) running experiments to determine how changes in the endogenous variables will change the exogenous variables.
C) running experiments to determine how changes in the exogenous variables will change the endogenous variables.
D) resolving inconsistencies in the actions of economic agents.
E) determining how a closed economy is linked to an open economy.