Consider the formulation of competition policy in Section 13.1.6.
(a) Characterize the equilibrium fully.
(b) Write down the welfare of the representative household at time t = 0 in this equilibrium.
(c) Maximize the welfare function derived in part b by choosing a value of γ.
(d) Why is the optimal value of γ not equal to some γ∗ ≥ 1/(1- β)? Provide an interpretation in terms of the trade-off between level and growth effects.
(e) What is the relationship between the optimal value of γ and ρ?