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This article shows that the presence of portfolio constraints can give rise to rational asset pricing bubbles in equilibrium even if there are unconstrained agents in the economy who can bene t from the corresponding limited arbitrage opportunities. Furthermore, it is shown that when they are...
Persistent link: https://www.econbiz.de/10003966068
We consider the demand for state contingent claims in the presence of a zero-mean, nonhedgeable background risk. An agent is defined to be generalized risk averse if he/she reacts to an increase in background risk by choosing a demand function for contingent claims with a smaller slope. We show...
Persistent link: https://www.econbiz.de/10011544342
We consider an exchange economy with heterogeneous agents and multiple assets and investigate the coupled dynamics of assets' prices and agents' wealth. We assume that agents have heterogeneous beliefs and invest on each asset a fraction of wealth proportional to its expected dividends. Our main...
Persistent link: https://www.econbiz.de/10011386757
We develop a dual-control method for approximating investment strategies in incomplete environments that emerge from the presence of trading constraints. Convex duality enables the approximate technology to generate lower and upper bounds on the optimal value function. The mechanism rests on...
Persistent link: https://www.econbiz.de/10012868574
We consider an exchange economy with heterogeneous agents and multiple assets and investigate the coupled dynamics of assets' prices and agents' wealth. We assume that agents have heterogeneous beliefs and invest on each asset a fraction of wealth proportional to its expected dividends. Our main...
Persistent link: https://www.econbiz.de/10013002595
We propose a 2-country asset-pricing model where agents' preferences change endogenously as a function of the popularity of internationally traded goods. We determine the effect of the time-variation of preferences on equity markets, consumption and portfolio choices. When agents are more...
Persistent link: https://www.econbiz.de/10011698927
Evolutionary Finance focuses on questions of "survival and extinction" of investment strategies (portfolio rules) in the market selection process. It analyzes stochastic dynamics of financial markets in which asset prices are determined endogenously by a short-run equilibrium between supply and...
Persistent link: https://www.econbiz.de/10011865449
This paper studies the equilibrium price of an asset that is traded in continuous time between N agents who have heterogeneous beliefs about the state process underlying the asset's payoff. We propose a tractable model where agents maximize expected returns under quadratic costs on inventories...
Persistent link: https://www.econbiz.de/10012849216
This paper analyzes the determinants of cross-border asset holdings on cross-country data and a Swedish data set. We focus our analysis on the effect of the euro not only for the determinants of bond holdings, but also of equity and banking assets. With the help of a simple theoretical model, we...
Persistent link: https://www.econbiz.de/10003403088
The shift of perspective from a national basis to a Euro area basis, inevitably induced by EMU, has led member countries to a parallel shift from equity home bias to equity Euro bias. We interpret this evidence by means of a standard mean-variance portfolio selection model modified in order to...
Persistent link: https://www.econbiz.de/10013159821