Monetary Policy, Time Variation of Equity Returns, and Regime Switching

The thesis studies time variation of the cross-sectional stock returns. The aim of the study is to identify and quantify economic factors behind the common variation of the cross-sectional returns both theoretically and empirically. Identifying and quantifying economic factors behind the common vari...

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Main Author: Jäntti, Ville
Other Authors: Kauppakorkeakoulu, School of Business and Economics, Taloustieteet, Business and Economics, Jyväskylän yliopisto, University of Jyväskylä
Format: Master's thesis
Language:eng
Published: 2022
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/81682
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author Jäntti, Ville
author2 Kauppakorkeakoulu School of Business and Economics Taloustieteet Business and Economics Jyväskylän yliopisto University of Jyväskylä
author_facet Jäntti, Ville Kauppakorkeakoulu School of Business and Economics Taloustieteet Business and Economics Jyväskylän yliopisto University of Jyväskylä Jäntti, Ville Kauppakorkeakoulu School of Business and Economics Taloustieteet Business and Economics Jyväskylän yliopisto University of Jyväskylä
author_sort Jäntti, Ville
datasource_str_mv jyx
description The thesis studies time variation of the cross-sectional stock returns. The aim of the study is to identify and quantify economic factors behind the common variation of the cross-sectional returns both theoretically and empirically. Identifying and quantifying economic factors behind the common variation of stock prices is important. Common variation in stock prices affects the measure of systematic risk that rational investors use to evaluate stocks and financial wealth in the real economy. The study examines especially monetary policy’s heterogeneous effects on the firm level and further on the portfolio level. The earlier studies have mainly focused on the unconditional linear econometric frameworks. However, the presence of regimes in the macroeconomy infers a regime switching structure in equity returns’ means, volatilities, autocorrelations, and cross-covariances. Thus, globally linear models may lead to an efficiency loss in the estimation process. This study thereby studies portfolios’ returns behavior by using both the conditional linear econometric framework and the nonlinear econometric framework. The nonlinear regime switching framework is constructed by using the Hamilton’s (1989) Markov regime switching framework and by calibrating the model to allow two regimes. The research data consists of U.S. stock market stocks from January 1990 to December 2020 sorted on book-to-market equity portfolios. The independent variables consist of monetary, business cycle, credit market, and investor sentiment variables. The key contribution of this thesis is to measure the impact of unconventional monetary policy actions by using Wu’s and Xia’s (2016) shadow rate. The shadow rate measures the monetary policy actions in the zero lower bound environment when the nominal interest rates are restricted by the zero lower bound. The empirical results show that the research portfolios’ returns are time varying and regime dependent. Market volatility can be considered to be one factor affecting the regime switches. The portfolios’ beta-parameters behave asymmetrically between the portfolios and the states. The finding is coherent with the economic theories behind the behavior of portfolios’ returns. The nonlinear Markov switching econometric framework offers findings of the research portfolios’ parameter estimates that the simple linear econometric framework is unable to detect. The nonlinear econometric framework’s results suggest that monetary policy regimes have statistically and economically significant effect on the portfolios’ returns and the value premium (difference between high and low book-to-market ratio portfolios’ returns) in the research sample. The result is coherent with the economic role of the monetary policy and with the earlier research findings. Monetary policy regimes can be connected asymmetrically to expectations of firms’ cash flows and/or discount rates applied by investors. The finding of returns regime dependency provides support to the nonlinear econometric framework and highlights the importance of conditioning information in evaluation of expected returns.
first_indexed 2022-06-14T20:00:27Z
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The aim of the study is to identify and quantify economic factors behind the common variation of the cross-sectional returns both theoretically and empirically. Identifying and quantifying economic factors behind the common variation of stock prices is important. Common variation in stock prices affects the measure of systematic risk that rational investors use to evaluate stocks and financial wealth in the real economy. The study examines especially monetary policy\u2019s heterogeneous effects on the firm level and further on the portfolio level.\n\nThe earlier studies have mainly focused on the unconditional linear econometric frameworks. However, the presence of regimes in the macroeconomy infers a regime switching structure in equity returns\u2019 means, volatilities, autocorrelations, and cross-covariances. Thus, globally linear models may lead to an efficiency loss in the estimation process. This study thereby studies portfolios\u2019 returns behavior by using both the conditional linear econometric framework and the nonlinear econometric framework. The nonlinear regime switching framework is constructed by using the Hamilton\u2019s (1989) Markov regime switching framework and by calibrating the model to allow two regimes. The research data consists of U.S. stock market stocks from January 1990 to December 2020 sorted on book-to-market equity portfolios. The independent variables consist of monetary, business cycle, credit market, and investor sentiment variables. The key contribution of this thesis is to measure the impact of unconventional monetary policy actions by using Wu\u2019s and Xia\u2019s (2016) shadow rate. The shadow rate measures the monetary policy actions in the zero lower bound environment when the nominal interest rates are restricted by the zero lower bound.\n\nThe empirical results show that the research portfolios\u2019 returns are time varying and regime dependent. Market volatility can be considered to be one factor affecting the regime switches. The portfolios\u2019 beta-parameters behave asymmetrically between the portfolios and the states. The finding is coherent with the economic theories behind the behavior of portfolios\u2019 returns. The nonlinear Markov switching econometric framework offers findings of the research portfolios\u2019 parameter estimates that the simple linear econometric framework is unable to detect. The nonlinear econometric framework\u2019s results suggest that monetary policy regimes have statistically and economically significant effect on the portfolios\u2019 returns and the value premium (difference between high and low book-to-market ratio portfolios\u2019 returns) in the research sample. The result is coherent with the economic role of the monetary policy and with the earlier research findings. Monetary policy regimes can be connected asymmetrically to expectations of firms\u2019 cash flows and/or discount rates applied by investors. 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spellingShingle Jäntti, Ville Monetary Policy, Time Variation of Equity Returns, and Regime Switching financial markets nonlinear estimation regime switching time-varying returns Taloustiede Economics 2041 rahapolitiikka arvopaperimarkkinat monetary policy security market
title Monetary Policy, Time Variation of Equity Returns, and Regime Switching
title_full Monetary Policy, Time Variation of Equity Returns, and Regime Switching
title_fullStr Monetary Policy, Time Variation of Equity Returns, and Regime Switching Monetary Policy, Time Variation of Equity Returns, and Regime Switching
title_full_unstemmed Monetary Policy, Time Variation of Equity Returns, and Regime Switching Monetary Policy, Time Variation of Equity Returns, and Regime Switching
title_short Monetary Policy, Time Variation of Equity Returns, and Regime Switching
title_sort monetary policy time variation of equity returns and regime switching
title_txtP Monetary Policy, Time Variation of Equity Returns, and Regime Switching
topic financial markets nonlinear estimation regime switching time-varying returns Taloustiede Economics 2041 rahapolitiikka arvopaperimarkkinat monetary policy security market
topic_facet 2041 Economics Taloustiede arvopaperimarkkinat financial markets monetary policy nonlinear estimation rahapolitiikka regime switching security market time-varying returns
url https://jyx.jyu.fi/handle/123456789/81682 http://www.urn.fi/URN:NBN:fi:jyu-202206143291
work_keys_str_mv AT jänttiville monetarypolicytimevariationofequityreturnsandregimeswitching