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A widely held belief in financial economics suggests that stock prices always adequately reflect all available information. Price movements away from fundamentals are assumed to occur only infrequently, if at all. „False“ prices are supposed to be corrected by the counter-actions of...
Persistent link: https://www.econbiz.de/10005134753
propositions of modern asset pricing theory, namely, that the interaction between risk averse agents in a competitive market leads …-markets model, and the Sharpe-Lintner-Mossin Capital Asset Pricing Model (CAPM). This framework enabled us to measure how far our … discovered swift convergence towards equilibrium prices of Arrow and Debreu's model or the CAPM. This discovery is significant …
Persistent link: https://www.econbiz.de/10005662411
I establish a necessary and sufficient condition for the securities' market to be dynamically-complete in a single-commodity, pure-exchange economy with many Lucas' trees whose dividends are geometric Brownian motions. Even though my analysis is based upon the representative-agent version of...
Persistent link: https://www.econbiz.de/10009320155
In this review we survey the recent research on the fundamental determinants of stock returns. These studies explore how firms' systematic risk and their investment and production decisions are jointly determined in equilibrium. Models with production provide insights into several types of...
Persistent link: https://www.econbiz.de/10010603965
Persistent link: https://www.econbiz.de/10005774129
We quantify the effect of financial leverage on stock return volatility in a dynamic general equilibrium economy with debt and equity claims. We study the effects of financial leverage on the market portfolio, and on a small firm with idiosyncratic and market risk. In an economy with both a...
Persistent link: https://www.econbiz.de/10004977944
We combine general equilibrium theory and théorie générale of stochastic processes to derive structural results about …
Persistent link: https://www.econbiz.de/10005002278
In a single-commodity, pure-exchange, representative-agent economy with many Lucas' trees whose dividends are geometric Brownian motions, I study the comparative statics of the prices of these assets with respect to the current Brownian realization. As is well-known, due to wealth effects, a...
Persistent link: https://www.econbiz.de/10005094048
We develop a general equilibrium model of a production economy which has a risky production technology as well as a growth option to expand the scale of the productive sector of the economy. We show that when confronted with growth options, the representative consumer may sharply alter...
Persistent link: https://www.econbiz.de/10005612048
model (CAPM) prediction. The model also quantitatively accounts for the pattern in mean returns on book-to-market sorted … portfolios, the magnitude of the CAPM-alphas, and other stylized features of the cross-sectional data. …
Persistent link: https://www.econbiz.de/10010616813