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I develop a model of (individually rational) collective reality denial in groups, organizations and markets. Whether participants' tendencies toward wishful thinking reinforce or dampen each other is shown to hinge on a simple and novel mechanism. When an agent can expect to benefit from other's...
Persistent link: https://www.econbiz.de/10005666620
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 provide an axiomatic approach to a belief formation process in an informational environment characterized by limited, heterogenous and differently precise information. For a list of previously observed cases an agent needs to express her belief by assigning probabilities to possible outcomes....
Persistent link: https://www.econbiz.de/10010356678
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 an investor's optimal consumption and portfolio choice problem when he is confronted with two possibly misspecified submodels of stock returns: one with IID returns and the other with predictability. We adopt a generalized recursive ambiguity model to accommodate the investor's aversion...
Persistent link: https://www.econbiz.de/10010945608
This note extends Wiseman [6] to more general reputation games with exogenous learning. Using Gossner's [4] relative …
Persistent link: https://www.econbiz.de/10010930785
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
nonfinancial returns to adoption, one's own learning and social learning, technological externalities, scale economies, schooling …
Persistent link: https://www.econbiz.de/10009226029
correlated learning may render it optimal to enter markets sequentially – an investment in market A is only followed by entry in …, we identify correlated learning across markets beyond alternative explanations as a key driver of gradualism in the …
Persistent link: https://www.econbiz.de/10009246612
Several studies show that evolution favors non-selfish preferences only if preference types are observable. We present a new evolutionary scenario applied to the Centipede Game, where we adopt self-confirming equilibrium to capture behavior. We show that altruism may be evolutionarily successful...
Persistent link: https://www.econbiz.de/10010608200