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This survey discusses behavioral and experimental macroeconomics emphasizing a complex systems perspective. The economy consists of boundedly rational heterogeneous agents who do not fully understand their complex environment and use simple decision heuristics. Central to our survey is the...
Persistent link: https://www.econbiz.de/10011929804
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
The rational expectations equilibrium has been criticized as an equilibrium concept in market game environments. Such an equilibrium may not exist generically, or it may introduce unrealistic assumptions about an economic agent's knowledge or computational ability. We define a rational...
Persistent link: https://www.econbiz.de/10010293735
estimation of the parameters in an auxiliary model. The learning scheme employed by the agents belongs to the class of stochastic …
Persistent link: https://www.econbiz.de/10011381034
macroeconomic models in which agents are boundedly rational and use an adaptive learning rule to form expectations of the endogenous … estimate it empirically. Two prominent learning algorithms are considered, namely constant gain and decreasing gain learning …. For each of the two learning rules, the analysis proceeds in two stages. First, the paper derives the asymptotic …
Persistent link: https://www.econbiz.de/10011333062
The paper investigates social-learning when the information structure is not commonly known. Individuals repeatedly … interact in social-learning settings with distinct information structures. In each round of interaction, they use their … behavior in the long-run if and only if individuals distinguish social-learning settings and receive rich feedback after each …
Persistent link: https://www.econbiz.de/10011434567
Bateson. Learning requires to recognize a series of situations as identical and then to observe the effect of given variables … hypothesis to be continuously tested. This vision of bounds and learning has many implications for the debate on rationality and …
Persistent link: https://www.econbiz.de/10011523697
possible convergence of adaptive learning processes. Results obtained using recursive least squares lead to the conjecture that … model and an alternative learning procedure that such a conjecture would be incorrect: there exist learning procedures that …
Persistent link: https://www.econbiz.de/10011526755
rationality behaviour by people. Quite recent developments in the Economics of Knowledge, i.e. the so-called learning models, have …
Persistent link: https://www.econbiz.de/10011502970
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