b) With proper examples draw a distinction between mathematical and econometric models?
An economic model is a set of assumptions that describes the behaviour of an economy.
a set of equations describing the behaviour. These equations are derived from the economic model and have two parts observed variables and disturbances.
Mathematical model
"y=f(X_1,X_2,X_3.......X_4,\\beta_1,\\beta_2.......\\beta_k)+\\epsilon"
f is well defined function
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