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Author: Alessandro Citanna Publisher: Springer Science & Business Media ISBN: 3540271929 Category : Business & Economics Languages : en Pages : 278
Book Description
In the area of dynamic economics, David Cass’s work has spawned a number of important lines of research, including the study of dynamic general equilibrium theory, the concept of sunspot equilibria, and general equilibrium theory when markets are incomplete. Based on these contributions, this volume contains new developments in the field, written by Cass's students and co-authors.
Author: Alessandro Citanna Publisher: Springer Science & Business Media ISBN: 3540271929 Category : Business & Economics Languages : en Pages : 278
Book Description
In the area of dynamic economics, David Cass’s work has spawned a number of important lines of research, including the study of dynamic general equilibrium theory, the concept of sunspot equilibria, and general equilibrium theory when markets are incomplete. Based on these contributions, this volume contains new developments in the field, written by Cass's students and co-authors.
Author: Frank Ackerman Publisher: Routledge ISBN: 1135997381 Category : Business & Economics Languages : en Pages : 237
Book Description
This book, as the title suggests, explains how General equilibrium, the dominant conceptual framework in mainstream economics, describes a perfectly impossible world. Even with its counterfactual assumptions taken for granted, it fails on many levels. Under the impressive editorship of Ackerman and Nadal, this book will appeal to students and researchers in economics and related social science disciplines.
Author: Dân Vuʺ Cao Publisher: ISBN: Category : Languages : en Pages : 202
Book Description
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.
Author: Lardo Stander Publisher: ISBN: Category : Equilibrium (Economics) Languages : en Pages : 0
Book Description
This PhD thesis aims to look at four major issues in political economy and macroeconomics, namely, tax evasion, spirit of capitalism, globalisation and production structures involving delayed effects of inputs in dynamic general equilibrium models. These issues are of importance to any economy, but more so to an emerging economy like South Africa. The thesis will not only aim to obtain optimal policy responses in the presence of such distortions (deviations from the traditional Neoclassical world), but will also analyse the effects of these distortions on the growth and welfare of the economy. The thesis aims to have four separate papers based on dynamic general equilibrium (DGE) models: The first paper would aim to explain theoretically why tax evasion might depend on the level of financial development and the inflation rate in the economy. And then, it would try and test whether our proposed theoretical linkage holds in the data using panel data of 150 countries covering the period of 1980-2009. General equilibrium models that include the spirit of capitalism shows a positive relationship between growth and inflation aÌ22́Ơ0́− something unobserved in the data. The literature has tried to reconcile this theoretical and empirical mismatch by introducing human capital, cash-in-advance constraints applying to only specific kind of (non-productive) goods, etc. In the second paper, we, however, aim to show that a simpler way of achieving the negative inflationaÌ22́Ơ0́−growth relationship would be to introduce a banking system in the model subjected to cash reserve requirements. The third paper examines the effect of openness on economic growth, given a human capital accumulation function that captures the marginal benefit of knowledge spillovers in an economy. Two opposing effects are highlighted aÌ22́Ơ0́− one a positive effect from the increase in human capital on growth, the other a negative effect through an increase in seigniorage taxes aÌ22́Ơ0́− that would suggest there is a threshold value of openness, beyond which the impact of opening the economy even more becomes negative for economic growth. The fourth paper would aim to indicate that in the presence of lagged inputs, and especially lagged capital input, in the production structure of an economy, an inflation targeting country might experience aÌ22́Ơ¿3chaoticaÌ22́Ơ℗+ growth behaviour if the inflation target is set too high.
Author: Jerry R. Green Publisher: Academic Press ISBN: 1483271455 Category : Business & Economics Languages : en Pages : 422
Book Description
General Equilibrium, Growth, and Trade: Essays in Honor of Lionel McKenzie provides information pertinent to the three main areas of Professor McKenzie's scientific research, namely, international trade, economic growth, and general equilibrium theory. This book highlights the main aspects of McKenzie's work. Organized into three parts encompassing 21 chapters, this book begins with an overview of the regularizing effects of aggregation over nonregular microrelations. This text then examines the theory of a multiperiod monopolist incurring nonseparable labor adjustment costs, which is developed when investment is irreversible. Other chapters consider the behavior of a price-maker in a competitive market as a preliminary step to a more complete analysis of pure competition. This book discusses as well the effects of uncertainty on optimal decisions, which constitutes an increasingly essential area of economic research. The final chapter deals with the general equilibrium macroeconomic model. This book is a valuable resource for economists and economic theorists.
Author: Cars H. Hommes Publisher: Springer Science & Business Media ISBN: 3642561314 Category : Business & Economics Languages : en Pages : 344
Book Description
This book contains essays in honour of Claus Weddepohl who, after 22 years, is retiring as professor of mathematical economics at the Department of Quantitative Economics of the University of Amsterdam. Claus Weddepohl may be viewed as th~ first Dutch mathematical economist in the general equi librium tradition of Arrow, Debreu and Hahn. The essays in this book are centered around the themes Equilibrium, Markets and Dynamics, that have been at the heart of Weddepohl's work on mathematical economics for more than three decades. The essays have been classified according to these three themes. Admittedly such a classification always is somewhat arbitrary, and most essays would in fact fit into two or even all three themes. The essays have been written by international as well as Dutch friends and colleagues including Weddepohl's former Ph. D. students. The book starts with a review of Claus Weddepohl's work by Roald Ramer, who has been working with him in Amsterdam for all those years. The review describes how Weddepohl became fascinated by general equilibrium theory in the early stages of his career, how he has been working on the theory of markets throughout his career, and how he turned to applications of nonlinear dynamics to price adjustment processes in a later stage of his career. The first part of the book, Equilibrium, collects essays with general equilib rium theory as the main theme.
Author: Mukul Majumdar Publisher: Springer ISBN: 1349116963 Category : Business & Economics Languages : en Pages : 374
Book Description
Over the last 40 years, Professor David Gale has played a leading role in developing two themes of fundamental importance to economic theory. As a tribute to his creative research, this volume contains contributions from some leading researchers who explore different directions in these areas.
Author: Alessandro Citanna
Author: Alessandro Citanna
Author: Benjamin A. Malin
Author: Frank Ackerman
Author: Dân Vuʺ Cao
Author: Lardo Stander
Author: Jianjun Miao
Author: Jerry R. Green
Author: Cars H. Hommes
Author: Mukul Majumdar
Author: Ippei Fujiwara