Question: Economics question Problem 3. 1. Prove the multidimensional Ito's formula, along the lines discussed in class for the one-dimensional case; 2. Let A E R2X2,

Economics question

Economics question Problem 3. 1. Prove the multidimensional Ito's formula, along the

Problem 3. 1. Prove the multidimensional Ito's formula, along the lines discussed in class for the one-dimensional case; 2. Let A E R2X2, 2 , x= (x , x2) a column vector, f(t, x) = ex] Ax (1) where dx(t) = udt + odw(t) (2) where o E Risa, and W(t) a d-dimensional Wiener process with independent components. 3. Apply your formula to (1) and (2) to find af

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