Monopoly Power and the Firm’s Valuation: A Dynamic Analysis of Short versus Long-Term Policies.- Revealed Intertemporal Ineffciency.- Volatility and Job Creation in the Knowledge Economy.- Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets.- Survival, Uncertainty, and Equilibrium Theory: An Exposition.- On Price-Taking Behavior in Asymmetric Information Economies.- Ambiguity aversion and the absence of indexed debt.- Sunspots, Indeterminacy and Pareto Inefficiency in Economies With Incomplete Markets.- Growth in Economies With Non Convexities: Sunspots and Lottery Equilibria, Theory and Examples.- Shaking the Tree: An Agency-Theoretic Model of Asset Pricing.- Central-Bank Interest-Rate Control in a Cashless, Arrow-Debreu Economy.