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Learning stability in economies with heterogenous agents
Honkapohja, Seppo; Mitra, Kaushik - 2002
An economy exhibits structural heterogeneity when the forecasts of different agents have different effects on the determination of aggregate variables. Various forms of structural heterogeneity can arise and we study the important case of economies in which agents' behavior depends on forecasts...
Persistent link: https://www.econbiz.de/10011541172
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The e-correspondence principle
Evans, George W.; Honkapohja, Seppo - 2004
We introduce the E-correspondence principle for stochastic dynamic expectations models as a tool for comparative dynamics analysis. The principle is applicable to equilibria that are stable under least squares and closely related learning rules. With this technique it is possible to study,...
Persistent link: https://www.econbiz.de/10011404292
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Generalized stochastic gradient learning
Evans, George W. (contributor);  … - 2005
We study the properties of generalized stochastic gradient (GSG) learning in forward-looking models. We examine how the conditions for stability of standard stochastic gradient (SG) learning both differ from and are related to E-stability, which governs stability under least squares learning. SG...
Persistent link: https://www.econbiz.de/10003202895
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Paying to match : decentralized markets with information frictions
Agranov, Marina; Dianat, Ahrash; Samuelson, Larry; … - 2021
We experimentally study decentralized one-to-one matching markets with transfers. We vary the information available to participants, complete or incomplete, and the surplus structure, supermodular or submodular. Several insights emerge. First, while markets often culminate in efficient...
Persistent link: https://www.econbiz.de/10012415563
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International capital markets structure, preferences and puzzles : the US-China case
Caporale, Guglielmo Maria; Donadelli, Michael; Varani, … - 2014
A canonical two country-two good model with standard preferences does not address three classic international macroeconomic puzzles as well as two well-known asset pricing puzzles. Specifically, under financial autarky, it does not account for the high real exchange rate (RER) volatility...
Persistent link: https://www.econbiz.de/10010250047
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A simple model of buyer-seller networks in international trade
Herkenhoff, Philipp; Krautheim, Sebastian; Sauré, Philip - 2021
The recent literature on firm-to-firm trade has documented salient empirical regularities of the buyer-seller network …
Persistent link: https://www.econbiz.de/10012534686
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Dynamic trading and asset prices : Keynes vs. Hayek
Cespa, Giovanni; Vives, Xavier - 2009
We investigate the dynamics of prices, information and expectations in a competitive, noisy, dynamic asset pricing equilibrium model. We show that prices are farther away from (closer to) fundamentals compared with average expectations if and only if traders over- (under-) rely on public...
Persistent link: https://www.econbiz.de/10003897551
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Stock market returns, corporate governance and capital market equilibrium
Parigi, Bruno; Pelizzon, Loriana; Thadden, Ernst-Ludwig von - 2013
This paper proposes a theoretical model that incorporates corporate governance into the basic CAPM, where corporate governance affects the disutility of managerial effort and the possibility of managers to divert company resources. It shows that corporate governance affects firms’ stock...
Persistent link: https://www.econbiz.de/10010212666
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The attack and defense of weakest-link networks
Kovenock, Daniel J.; Roberson, Brian; Sheremeta, Roman M. - 2010
This paper experimentally examines behavior in a two-player game of attack and defense of a weakest-link network of …
Persistent link: https://www.econbiz.de/10008697819
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Simultaneous search and network efficiency
Gautier, Pieter; Holzner, Christian - 2011
When workers send applications to vacancies they create a network. Frictions arise if workers do not know where other … workers apply to (this affects network creation) and firms do not know which candidates other firms consider (this affects … network clearing). We show that those frictions and the wage mechanism are in general not independent. Equilibria that exhibit …
Persistent link: https://www.econbiz.de/10009239488