Essays On Dynamic Markets With Heterogeneous Agents

DOWNLOAD

Download Essays On Dynamic Markets With Heterogeneous Agents PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get Essays On Dynamic Markets With Heterogeneous Agents book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page

Essays On Dynamic Markets With Heterogeneous Agents

DOWNLOAD
Author : Borghan Nezami Narajabad
language : en
Publisher:
Release Date : 2007

Essays On Dynamic Markets With Heterogeneous Agents written by Borghan Nezami Narajabad and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Competition categories.

Essays In Dynamic General Equilibrium

DOWNLOAD
Author : Dân Vuʺ Cao
language : en
Publisher:
Release Date : 2010

Essays In Dynamic General Equilibrium written by Dân Vuʺ Cao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

This thesis consists of three chapters studying dynamic economies in general equilibrium. The first chapter considers an economy in business cycles with potentially imperfect financial markets. The second chapter investigates an economy in its balanced growth path with heterogeneous firms. The third chapter analyzes dynamic competitions that these firms are potentially engaged in. The first chapter, "Asset Price and Real Investment Volatility with Heterogeneous Beliefs," sheds light on the role of imperfect financial markets on the economic and financial crisis 2007-2008. This crisis highlights the role of financial markets in allowing economic agents, including prominent banks, to speculate on the future returns of different financial assets, such as mortgage-backed securities. I introduce a dynamic general equilibrium model with aggregate shocks, potentially incomplete markets and heterogeneous agents to investigate this role of financial markets. In addition to their risk aversion and endowments, agents differ in their beliefs about the future aggregate states of the economy. The difference in beliefs induces them to take large bets under frictionless complete financial markets, which enable agents to leverage their future wealth. Consequently, as hypothesized by Friedman (1953), under complete markets, agents with incorrect beliefs will eventually be driven out of the markets. In this case, they also have no influence on asset prices and real investment in the long run. In contrast, I show that under incomplete markets generated by collateral constraints, agents with heterogeneous (potentially incorrect) beliefs survive in the long run and their speculative activities drive up asset price volatility and real investment volatility permanently. I also show that collateral constraints are always binding even if the supply of collateralizable assets endogenously responds to their price. I use this framework to study the effects of different types of regulations and the distribution of endowments on leverage, asset price volatility and investment. Lastly, the analytical tools developed in this framework enable me to prove the existence of the recursive equilibrium in Krusell and Smith (1998) with a finite number of types. This has been an open question in the literature. The second chapter, "Innovation from Incumbents and Entrants," is a joint work with Daron Acemoglu. We propose a simple modification of the basic Schumpeterian endogenous growth models, by allowing incumbents to undertake innovations to improve their products. This model provides a tractable framework for a simultaneous analysis of entry of new firms and the expansion of existing firms, as well as the decomposition of productivity growth between continuing establishments and new entrants. One lesson we learn from this analysis is that, unlike in the basic Schumpeterian models, taxes or entry barriers on potential entrants might increase economic growth. It is the outcome of the greater productivity improvements by incumbents in response to reduced entry, which outweighs the negative effect of the reduction in creative destruction. As the model features entry of new firms and expansion and exit of existing firms, it also generates an equilibrium firm size distribution. We show that the stationary firm size distribution is Pareto with an exponent approximately equal to one (the so-called "Zipf distribution"). The third chapter, "Racing: when should we handicap the advantaged competitor?" studies dynamic competitions, for example R & D competitions used in the second chapters. Two competitors with different abilities engage in a winner-take-all race; should we handicap the advantaged competitor in order to reduce the expected completion time of the race? I show that if the discouragement effect is strong, i.e., both competitors are discouraged from exerting effort when it becomes more certain who will win the race, we should handicap the advantaged. We can handicap him either by reducing his ability or by offering him a lower reward if he wins. Doing so induces higher effort not only from the disadvantaged competitor because of his higher incentive from a higher chance of winning the race but also from the advantaged competitor because of their strategic interactions. Therefore, the expected completion time is strictly shortened. To prove the existence and uniqueness of the equilibria (including symmetric and asymmetric equilibria) that leads to the conclusion, I use a boundary value problem formulation which is novel to the dynamic competition literature. In some cases, I obtain closed-form solutions of the equilibria.

Interaction And Market Structure

DOWNLOAD
Author : Domenico Delli Gatti
language : en
Publisher:
Release Date : 2000-03-27

Interaction And Market Structure written by Domenico Delli Gatti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-27 with categories.

Essays On Dynamic Life Cycle Behavior With Heterogeneous Agents

DOWNLOAD
Author : Marios Karamparmpounis
language : en
Publisher:
Release Date : 2012

Essays On Dynamic Life Cycle Behavior With Heterogeneous Agents written by Marios Karamparmpounis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Income categories.

"In each of the following chapters I employ macroeconomic models in order to analyze the life cycle dynamics of working and savings decisions. Chapter 1 builds a model to analyze the optimal tax code if workers face differences in their labor supply elasticity. Standard public finance principles imply that workers with more elastic labor supply should face smaller tax distortions. The model quantitatively tests the potential of such an idea within a realistically calibrated life cycle model of labor supply with heterogeneous agents and incomplete markets. Heterogeneity in labor supply elasticity arises endogenously from differences in reservation wages. Older cohorts are much more responsive to wage changes than younger and especially middle aged cohorts. Both a shorter time horizon and a larger stock of savings account for this difference. Since the government does not have direct information on individual labor supply elasticity it uses these life cycle variables as informative moments. The optimal Ramsey tax policy decreases the average and marginal tax rates for agents older than 50 and more so the larger is the accumulated stock of savings. At the same time, the policy increases significantly the tax rates for middle aged workers. Finally, the optimal policy provides redistribution by decreasing tax rates of wealth-poor young workers. The policy encourages work effort by high elasticity groups while targets inelastic middle aged groups to raise revenues. As a result, total supply of labor increases by 2.98% and total capital by 5.37%. These effects translate into welfare gains of about 0.85% of annual consumption. Chapter 2 uses evidence from the Survey of Consumer Finances for the period 1998 in order to study the allocations of savings across safe and risky accounts. Safe assets include among others checking accounts, savings accounts, and money market accounts while stocks, brokerage accounts and trusts and annuities are considered risky. We document three empirical facts: i) The average household holds a low share of risky share. ii) The share of risky assets is disproportionately larger for richer households. iii) The share of risky assets increases in age. Chapter 3 examines how well a life cycle model with portfolio choice can capture the empirical trends analyzed in Chapter 2. The main finding is that standard portfolio-choice theory is hard to reconcile with the empirical facts. We show that a simple life-cycle model with Bayesian learning about earnings ability can bring the model closer to the data. Younger-wealth poor households whose incomes are skewed toward labor earnings face a large amount of risk. To hedge risk they invest in safe financial assets. As households grow older their willingness to invest in risky assets increases partially because their ability is gradually revealed and also because a larger amount of accumulated assets decreases their total risk exposure"--Leaves iv-v.

Essays In Dynamic Household Finance With Heterogeneous Agents

DOWNLOAD
Author :
language : en
Publisher:
Release Date : 2008

Essays In Dynamic Household Finance With Heterogeneous Agents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

Essays On Dynamic Equilibrium

DOWNLOAD
Author : Domenico Cuoco
language : en
Publisher:
Release Date : 1994

Essays On Dynamic Equilibrium written by Domenico Cuoco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Nonlinear Economic Dynamics And Financial Modelling

DOWNLOAD
Author : Roberto Dieci
language : en
Publisher: Springer
Release Date : 2014-07-26

Nonlinear Economic Dynamics And Financial Modelling written by Roberto Dieci and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-26 with Business & Economics categories.

This book reflects the state of the art on nonlinear economic dynamics, financial market modelling and quantitative finance. It contains eighteen papers with topics ranging from disequilibrium macroeconomics, monetary dynamics, monopoly, financial market and limit order market models with boundedly rational heterogeneous agents to estimation, time series modelling and empirical analysis and from risk management of interest-rate products, futures price volatility and American option pricing with stochastic volatility to evaluation of risk and derivatives of electricity market. The book illustrates some of the most recent research tools in these areas and will be of interest to economists working in economic dynamics and financial market modelling, to mathematicians who are interested in applying complexity theory to economics and finance and to market practitioners and researchers in quantitative finance interested in limit order, futures and electricity market modelling, derivative pricing and risk management.

Essays In Macroeconomics And Finance

DOWNLOAD
Author : Pavel Krivenko
language : en
Publisher:
Release Date : 2018

Essays In Macroeconomics And Finance written by Pavel Krivenko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.

This dissertation studies the role of financial frictions, uncertainty, and heterogeneity for financial markets and for the real economy. In terms of tools, it uses quantitative models with incomplete markets and heterogeneous agents, and disciplines these models with micro data. The dissertation consists of two essays. The first essay explores the role of unemployment scars - the large, long-lasting impact of unemployment on future earnings - for the U.S. housing bust. The second essay proposes a simple perturbation approach for dynamic models with agents who differ in their perception of exogenous shocks, and applies it, among other things, to study the asset premia that arise from Knightian uncertainty.

Dynamic Economy With Heterogeneous Agents

DOWNLOAD
Author : Yulei Peng
language : en
Publisher:
Release Date : 2013

Dynamic Economy With Heterogeneous Agents written by Yulei Peng and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.

This dissertation consists of three essays about heterogeneous agents in the dynamic economy and how to deal with the asymmetric information arose by heterogeneity. Firstly, I consider the optimal taxation issue in a dynamic endogenous growth model with considering human capital accumulation, and agents ability is heterogeneous and private information. Moreover, the agents with higher ability have positive external effects on others. By using the two-sector endogenous model, I show that it is optimal to impose different income and capital income taxes on people with different abilities. Specifically, positive marginal income tax is adopted for people with lower ability while no tax is imposed for people with higher ability; marginal capital income tax is zero whatever the agent's is low or high. As for people using the capital and labor for human capital accumulation, the government should subsidize them whatever their ability is. Secondly, I study the optimal monetary and fiscal policy with heterogeneous agents based on the search-theoretical environment where money is essential and consider the private information. I first solve the households' problem in the centralized and decentralized market, and find out the optimal conditions. Then, in this section, I describe the problem that social planner faces by involving uncertainty and agents whose types are continuous. By comparing the optimal conditions in this generous setting, I show that the Friedman rule is no longer optimal when jointed with nonlinear taxation of income. Moreover, the capital income taxation is not zero. Moreover, I constructs a general theoretical model to consider two kinds of financial frictions in the economy with financial intermediaries. By quantitative analysis the model with three separate shocks which are a negative collateral shock, a negative productivity shock and a positive shock to bankers' divert rate, I find that a negative collateral shock which tightens firms' financing constraints on investment can generate an equity price boom which is different from what is observed in recessions. Therefore, the collateral shock is not the main reason for the business cycle, while the negative productivity shock and bankers' moral hazard problem are more important aspects to explain current economy. The electronic version of this dissertation is accessible from http://hdl.handle.net/1969.1/151328

Essays On Agent Heterogeneity In Macroeconomics

DOWNLOAD
Author : Jose Luis Luna Alpizar
language : en
Publisher:
Release Date : 2016

Essays On Agent Heterogeneity In Macroeconomics written by Jose Luis Luna Alpizar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Heterogeneous agents models have become the norm in modern macroeconomics as the limitations of the representative-agent paradigm and the importance of studying household heterogeneity grow in recognition. Agent heterogeneity may not only be important to accurately capture the description of an aggregate equilibrium. Also, the representative agent assumption may hide many distributional effects and therefore could change the answer to many normative questions usually given by representative agent models.This dissertation contains three chapters exemplifying ways in which the consideration of heterogeneous agents in the modelling of macroeconomic phenomena has important repercussions for the predictions of the model and its normative implications. Chapters 1 and 2 show the importance of accounting for worker heterogeneity in the analysis of labor markets. Chapter 1 presents a search and matching model of unemployment with heterogeneous workers which's main features, are ex-ante worker heterogeneity and undirected search. These features enable the model to replicate the empirical correlations between labor market outcomes and proxy variables for worker productivity. The model displays job rationing, which makes it useful to understand the high levels of unemployment observed in deep recessions. It also constitutes a versatile tool for the analysis of several labor-market aspects in which worker heterogeneity could play an important role, such as the impact of employment policies that are believed to have asymmetric effects across the labor force.Chapter 2 provides an example of such applications by analyzing the effects of increments of a minimum wage. It explores theoretically and empirically the notion that minimum wages affect low-skill workers asymmetrically due to productivity differences. Using the model presented in chapter 1, with the incorporation of endogenous search intensity to account for the effects that minimum wages could have on worker participation, I show that a rising minimum wage lowers the employment and labor force participation of low-productivity workers by pricing them out of the market, while it increases the employment, participation, and wages of more productive workers that remain hirable. Chapter 2 also contains an empirical analysis that investigates and ultimately validates the model's predictions of changes in the minimum wage. Within the labor market for low-education (high school or lower) workers, increments in the minimum wage have diametrically opposed effects: they reduce the employment and labor force participation of teenagers with less than high school education, while increasing the employment and labor force participation of mature workers with high school educational attainment. A calibrated version of the model targeting the low-education labor market shows that, despite its opposite effects across the labor force, an increase in the minimum wage negatively impacts aggregate employment, labor force participation, and social welfare.Chapter 3 investigates the existence of complex dynamics in the behavior of exchange rates due heterogeneity in the expectations of their future value. A simple model of exchange rate dynamics featuring traders with heterogeneous expectations is introduced. The model is based on the asset pricing model in Brock and Hommes (1998) and features the BNN dynamic presented in Brown et al. (1950), a dynamic with desirable properties absent in other dynamics used in the literature. The chapter shows that even this simple model can easily generate complex and even chaotic dynamics in the exchange rate because of the interaction of traders with different beliefs. An important implication is that long-term exchange rate prediction is, in theory, difficult.