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This chapter provides a survey of the recent work on learning in the context of macroeconomics. Learning has several … roles. First, it provides a boundedly rational model of how rational expectations can be achieved. Secondly, learning acts … as a selection device in models with multiple REE (rational expectations equilibria). Third, the learning dynamics …
Persistent link: https://www.econbiz.de/10014024243
We derive optimal monetary policy in a sticky price model when private agents follow adaptive learning. We show that … order to facilitate private sector learning and thus ease the future intratemporal inflation-output gap trade-offs. The … policy recommendation is robust: the welfare loss entailed by optimal policy under learning if the private sector actually …
Persistent link: https://www.econbiz.de/10011048583
feature of the model is that learning operates in both the demand for assets and the supply of credit. Interactions between … propagation. In contrast, the paper shows why learning involving only one side on the market, which has been the focus of most of …
Persistent link: https://www.econbiz.de/10011563199
We study the informational role of prices in a stochastic environment. We provide a closed-form solution of the monopoly problem when the price imperfectly signals quality to the uninformed buyers. We then study the effect of noise on output, market price, information flows, and expected...
Persistent link: https://www.econbiz.de/10010729770
A central tenet of inflation targeting is that establishing and maintaining well-anchored inflation expectations are essential. In this paper, we reexamine the role of key elements of the inflation targeting framework towards this end, in the context of an economy where economic agents have an...
Persistent link: https://www.econbiz.de/10005791794
Rational Expectations (RE) models have two crucial dimensions: (i) agents on average correctly forecast future prices given all available information, and (ii) given expectations, agents solve optimization problems and these solutions in turn determine actual price realizations. Experimental...
Persistent link: https://www.econbiz.de/10011048645
exist multiple Misspecification Equilibria, a subset of which are stable under least squares learning and dynamic predictor …
Persistent link: https://www.econbiz.de/10005069600
This paper models expectation formation by taking into account that agents may produce heterogeneous expectations because of informational frictions and differing levels of a capacity to process information. We show that there are two general classes of steady states within this framework: those...
Persistent link: https://www.econbiz.de/10010679090
In this article, we investigate the possibility of sunspot equilibria to emerge from a process of learning and …
Persistent link: https://www.econbiz.de/10011263927
Empirical evidence suggests that goods are highly heterogeneous with respect to the degree of price rigidity. We develop a two-sector dynamic general equilibrium model to study the equilibrium determinacy properties of interest rate rules that respond to inflation measures differing in their...
Persistent link: https://www.econbiz.de/10010575221