. What is the motivation to study the Romer model? i.e., What are the issues the Solow-Swan model had that stimulated economists to look for an alternative? Explain using at most 3 sentences. . Why is the Romer model incompatible with perfectly competitive markets? Justify using at most 3 sentences. . Why do we not talk about the notion of steady state in the Romer model? Is it possible for the steady state to be observed in the Romer model? Explain using at most 3 sentences