Three Essays In Macroeconomic Dynamics

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Three Essays In Macroeconomic Dynamics

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Author : Hammad Qureshi
language : en
Publisher:
Release Date : 2009

Three Essays In Macroeconomic Dynamics written by Hammad Qureshi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Autoregression (Statistics) categories.

Abstract: This dissertation examines theoretical and empirical topics in macroeconomic dynamics. A central issue in macroeconomic dynamics is understanding the sources of business cycle fluctuations. The idea that expectations about future economic fundamentals can drive business cycles dates back to the early twentieth century. However, the standard real business cycle (RBC) model fails to generate positive comovement in output, consumption, labor-hours and investment in response to news shocks. My dissertation proposes a solution to this puzzling feature of the RBC model by developing a theoretical model that can generate positive aggregate and sectoral comovement in response to news shocks. Another key issue in macroeconomic dynamics is gauging the performance of theoretical models by comparing them to empirical models. Some of the most widely used empirical models in macroeconomics are level vector autoregressive (VAR) models. However, estimated level VAR models may contain explosive roots, which is at odds with the widespread consensus among macroeconomists that roots are at most unity. My dissertation investigates the frequency of explosive roots in estimated level VAR models using Monte Carlo simulations. Additionally, it proposes a way to mitigate explosive roots. Finally, as macroeconomic datasets are relatively short, empirical models such as autoregressive models (i.e. AR or VAR models) may have substantial small-sample bias. My dissertation develops a procedure that numerically corrects the bias in the roots of AR models. This dissertation consists of three essays. The first essay develops a model based on learning-by-doing (LBD) that can generate positive comovement in output, consumption, labor-hours and investment in response to news shocks. I show that the one-sector RBC model augmented by LBD can generate aggregate comovement in response to news shock about technology. Furthermore, I show that in the two-sector RBC model, LBD along with an intratemporal adjustment cost can generate sectoral comovement in response to news about three types of shocks: i) neutral technology shocks, ii) consumption technology shocks, and iii) investment technology shocks. I show that these results hold for contemporaneous technology shocks and for different specifications of LBD. The second essay investigates the frequency of explosive roots in estimated level VAR models in the presence of stationary and nonstationary variables. Monte Carlo simulations based on datasets from the macroeconomic literature reveal that the frequency of explosive roots exceeds 40% in the presence of unit roots. Even when all the variables are stationary, the frequency of explosive roots is substantial. Furthermore, explosion increases significantly, to as much as 100% when the estimated level VAR coefficients are corrected for small-sample bias. These results suggest that researchers estimating level VAR models on macroeconomic datasets encounter explosive roots, a phenomenon that is contrary to common macroeconomic belief, with a very high frequency. Monte Carlo simulations reveal that imposing unit roots in the estimation can substantially reduce the frequency of explosion. Hence one way to mitigate explosive roots is to estimate vector error correction models. The third essay proposes a numerical procedure to correct the small-sample bias in autoregressive roots of univariate AR(p) models. I examine the median-bias properties and variability of the bias-adjusted parameters relative to the least-squares estimates. I show that the bias correction procedure substantially reduces the median-bias in impulse response functions. Furthermore, correcting the bias in roots significantly improves the median-bias in half-life, quarter-life and up-life estimates. The procedure pays a negligible-to-small price in terms of increased standard deviation for its improved median-bias properties.

Three Essays On Taxation And Macroeconomic Dynamics

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Author : Simon Voigts
language : en
Publisher:
Release Date : 2017

Three Essays On Taxation And Macroeconomic Dynamics written by Simon Voigts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Three Essays On Financial Frictions And Macroeconomic Dynamics

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Author : Xiangyu Li
language : en
Publisher:
Release Date : 2020

Three Essays On Financial Frictions And Macroeconomic Dynamics written by Xiangyu Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

Three Essays On Household Heterogeneity And Macroeconomic Dynamics

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Author : Julia Isabelle Otten
language : en
Publisher:
Release Date : 2021

Three Essays On Household Heterogeneity And Macroeconomic Dynamics written by Julia Isabelle Otten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with Dynamics categories.

Three Essays In Dynamic Macroeconomics

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Author : Hernán J. Moscoso Boedo
language : en
Publisher:
Release Date : 2006

Three Essays In Dynamic Macroeconomics written by Hernán J. Moscoso Boedo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

Three Essays On Empirical Dynamics In Macroeconomics

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Author : Raimundo Soto
language : en
Publisher:
Release Date : 1996

Three Essays On Empirical Dynamics In Macroeconomics written by Raimundo Soto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Agricultural prices categories.

Three Essays On Firm Dynamics And Macroeconomics

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Author : María Francisca Pérez Veyl
language : en
Publisher:
Release Date : 2014

Three Essays On Firm Dynamics And Macroeconomics written by María Francisca Pérez Veyl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.

Three Essays In Dynamic Macroeconomic Theory

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Author : Nannette Hechler
language : en
Publisher:
Release Date : 1995

Three Essays In Dynamic Macroeconomic Theory written by Nannette Hechler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.

Three Essays On The Solution And Estimation Of Dynamic Macroeconomic Models

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Author : Anthony Alan Smith
language : en
Publisher:
Release Date : 1990

Three Essays On The Solution And Estimation Of Dynamic Macroeconomic Models written by Anthony Alan Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Equilibrium (Economics) categories.

Three Essays In The Estimation Of Dynamic Macroeconomic Models

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Author : Taeyoung Doh
language : en
Publisher:
Release Date : 2007

Three Essays In The Estimation Of Dynamic Macroeconomic Models written by Taeyoung Doh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.