System Of Equations, Generalized Linear Model, Linear Regression, Covariance Matrix, Kronecker Product.
stashed away the money in the risk-free asset f. Notice that the risk free rate could in theory be negative. If Ford appreciates by only 0.25% over a 3 month period while the 3-month T-bill gives you 0.3% over the same 3-month period, your risk-free rate for investing in Ford over 3 months is a