We study a world with national external economies of scale at the industry level. In contrast to the standard treatment with perfect competition and two industries, we assume Bertrand competition in a continuum of industries. With Bertrand competition, each firm can internalize the externalities...

Intro -- Contents -- Foreword -- 1 Introduction -- 2 An Overview -- 3 Mathematical Preliminaries -- 4 Dynamic Programming under Certainty -- 5 Applications of Dynamic Programming under Certainty -- 6 Deterministic Dynamics -- 7 Measure Theory and Integration -- 8 Markov Processes -- 9 Stochastic...