Question 3 Suppose that the economy has three securities: dBt = r Budt dSt = aSidt + bS4dZ+ dP= aPdt + BP4dZt where Z is a one-dimensional Brownian Motion. 1. Provide restrictions on parameters (r, a, b, a, ) such that this economy does not admit arbitrage. Question 3 Suppose that the economy has three securities: dBt = r Budt dSt = aSidt + bS4dZ+ dP= aPdt + BP4dZt where Z is a one-dimensional Brownian Motion. 1. Provide restrictions on parameters (r, a, b, a, ) such that this economy does not admit arbitrage