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| Author | : Martin Lettau |
| Publisher | : |
| Total Pages | : 84 |
| Release | : 2001 |
| Genre | : Rate of return |
| ISBN | : |
| Author | : Esben Hedegaard |
| Publisher | : |
| Total Pages | : 57 |
| Release | : 2014 |
| Genre | : Analysis of covariance |
| ISBN | : |
We examine the prediction of Merton's intertemporal CAPM that time varying risk premiums arise from the conditional covariances of returns on assets with the return on the market and other state variables. We find a positive and significant price of risk for the covariance with the market return that is driven by the time series variation in the conditional covariances, and the risk-premium on the market remains positive and significant after controlling for additional state variables. Our method estimates the risk-return tradeoff in the ICAPM using multiple portfolios as test assets.
| Author | : Hui Guo |
| Publisher | : |
| Total Pages | : 45 |
| Release | : 2012 |
| Genre | : |
| ISBN | : |
Using a semiparametric estimation technique, we show that the risk-return tradeoff and the Sharpe ratio of the stock market increases monotonically with the consumption wealth ratio (CAY) across time. While early studies have commonly interpreted such a finding as evidence of the countercyclical variation in aggregate relative risk aversion (RRA), we argue that it mainly reflects changes in investment opportunities for two reasons. First, we fail to reject the null hypothesis of constant RRA after controlling for CAY as a proxy for the hedge against changes in the investment opportunity set. Second, by contrast with habit formation models but consistent with ICAPM, we find that loadings on the conditional stock market variance scaled by CAY are negatively priced in the cross-sectional regressions. For illustration, we replicate the countercyclical stock market risk-return tradeoff using simulated data from Guo's (2004) limited stock market participation model, in which RRA is constant and CAY is a proxy for shareholders' liquidity conditions.
| Author | : Yacine Ait-Sahalia |
| Publisher | : Elsevier |
| Total Pages | : 809 |
| Release | : 2009-10-19 |
| Genre | : Business & Economics |
| ISBN | : 0080929842 |
This collection of original articles—8 years in the making—shines a bright light on recent advances in financial econometrics. From a survey of mathematical and statistical tools for understanding nonlinear Markov processes to an exploration of the time-series evolution of the risk-return tradeoff for stock market investment, noted scholars Yacine Aït-Sahalia and Lars Peter Hansen benchmark the current state of knowledge while contributors build a framework for its growth. Whether in the presence of statistical uncertainty or the proven advantages and limitations of value at risk models, readers will discover that they can set few constraints on the value of this long-awaited volume. Presents a broad survey of current research—from local characterizations of the Markov process dynamics to financial market trading activity Contributors include Nobel Laureate Robert Engle and leading econometricians Offers a clarity of method and explanation unavailable in other financial econometrics collections
| Author | : Eric Ghysels |
| Publisher | : |
| Total Pages | : 72 |
| Release | : 2004 |
| Genre | : Capitalism |
| ISBN | : |
This paper studies the ICAPM intertemporal relation between the conditional mean and the conditional variance of the aggregate stock market return. We introduce a new estimator that forecasts monthly variance with past daily squared returns %u2013 the Mixed Data Sampling (or MIDAS) approach. Using MIDAS, we find that there is a significantly positive relation between risk and return in the stock market. This finding is robust in subsamples, to asymmetric specifications of the variance process, and to controlling for variables associated with the business cycle. We compare the MIDAS results with tests of the ICAPM based on alternative conditional variance specifications and explain the conflicting results in the literature. Finally, we offer new insights about the dynamics of conditional variance.
| Author | : Joseph Byrne |
| Publisher | : |
| Total Pages | : 41 |
| Release | : 2018 |
| Genre | : |
| ISBN | : |
Unconditional asset pricing models have generally found it challenging to identify evidence ofrisk aversion. This paper addresses this challenge by examining whether currency portfolios display an intertemporal risk-return relationship. We consider time-varying relations because investors' risk-aversion may change over time, based upon changing economic states. Moreover, we take into account a broad based measure of investors' expectation from a data rich environment and factor model. We identify that the relations between risk and return vary over time, and the risk-aversion parameters on momentum and value currency portfolios increased during the financial crisis. Those parameters can command both positive and negative values. Therefore traditional time-invariant models may not identify strong risk-return relations because state dependent evidence is "washed out."
| Author | : John Y. Campbell |
| Publisher | : |
| Total Pages | : 45 |
| Release | : 2005 |
| Genre | : Investments |
| ISBN | : |
Recent research in empirical finance has documented that expected excess returns on bonds and stocks, real interest rates, and risk shift over time in predictable ways. Furthermore, these shifts tend to persist over long periods of time. In this paper we propose an empirical model that is able to capture these complex dynamics, yet is simple to apply in practice, and we explore its implications for asset allocation. Changes in investment opportunities can alter the risk-return tradeoff of bonds, stocks, and cash across investment horizons, thus creating a term structure of the risk-return tradeoff.'' We show how to extract this term structure from our parsimonious model of return dynamics, and illustrate our approach using data from the U.S. stock and bond markets. We find that asset return predictability has important effects on the variance and correlation structure of returns on stocks, bonds and T-bills across investment horizons
| Author | : Evan W. Anderson |
| Publisher | : |
| Total Pages | : |
| Release | : 2012 |
| Genre | : |
| ISBN | : |
We study asset pricing in economies featuring both risk and uncertainty. In our empirical analysis, we measure risk via return volatility and uncertainty via the degree of disagreement of professional forecasters, attributing different weights to each forecaster. We empirically model the typical risk-return trade-off and augment these models with our measure of uncertainty. We find stronger empirical evidence for an uncertainty-return trade-off than for the traditional risk-return trade-off. Finally, we investigate the performance of a two-factor model with risk and uncertainty in the cross section.
| Author | : Anisha Ghosh |
| Publisher | : |
| Total Pages | : 39 |
| Release | : 2007 |
| Genre | : Price-earnings ratio |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 59 |
| Release | : 2015 |
| Genre | : |
| ISBN | : |
