Question: Q3. Consider the following simultaneous equation models. Ylt = a1 + BY3+ + 8,X1+ + ult (1 Y2t = a2 + BY1+ + BY3+ +


Q3. Consider the following simultaneous equation models. Ylt = a1 + BY3+ + 8,X1+ + ult (1 Y2t = a2 + BY1+ + BY3+ + u2t (2) Y3t = a3 + B2Y2+ + 82X2+ + 13t (3) (a) Can you estimate equation (1) with OLS assuming X1 and X2 are exogenous? Explain [2] (b) Use the order condition to identify which of the above equations are just identified. [2]
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