Showing posts with label macroeconomics. Show all posts
Showing posts with label macroeconomics. Show all posts

4/27/2012

Macroeconomic Issues: Their Relationship to Fiscal Policy Formulation, Forecasting, Prediction, and Computer Simulation Modeling Review

Macroeconomic Issues: Their Relationship to Fiscal Policy Formulation, Forecasting, Prediction, and Computer Simulation Modeling
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Macroeconomic Issues is an economics primer that walks students through economic theory from early historical models through current economic trends such as gaming models, forecasting, and the current economic downturn. Author Nicholas Jewczyn (JEFF-sin) serves up an eminently readable but brief explanation of macroeconomic theory that is a must-read for any student of economics, particularly those who want a concise-but-thorough explanation of the field.
Jewczyn avoids the dismal science in his historical survey of economic thought in the first section of the book. His comparison of the three historical schools of economics, the classicist model, the Keynesian model, and the monetarist model is understandable even to a reader with a non-economic background. He explains the foundational principles of macroeconomics such as Adam Smith and the Invisible Hand, John Maynard Keynes' arguments for interventionist government economic policy and Milton Friedman's advocacy of private sector ascension in his monetarist theory. Jewczyn provides a fair treatment of each of the historical schools of thought and even includes commentaries by contemporary theorists who point out the strengths and limitations of the historical theories.

The second section of the book begins with an annotated bibliography of current research in macroeconomics. This section transitions comfortably from the historical background to the current state of the art. This section provides a competent overview for students of economics who want to understand the topic in an afternoon. This section requires the reader to slow down in order to fully understand all the new information being presented. It is also helpful for a reader to know some economic terms in order to follow all of the ideas. The concepts are understandable, especially with re-reading, even if the terms are unfamiliar. With time, even a naïve reader can grasp the current trends in economics.

The third section of this book is a tightly-argued application of economic theory to risk theory and econometrics. It analyzes the assumptions of current models and applies them to many theories of computer modeling. A reader needs an adequate background of economic theory in order to fully appreciate this third section, but the previous chapters provide the tools to apply to an understanding of this rather complex topic.

Macroeconomics can be a very dense topic, especially for someone new to the theories. Macroeconomic Issues by Nicholas Jewczyn may require more than one reading in order to fully appreciate its scope, but it is a rare book that can take the reader from 0-60 in 200 pages. Anyone with more than a passing interest in economic theory can use this book to become conversant on the topic in a very short time. This book is especially recommended for economics students who want to get a jumpstart on their education. It is an ideal complement to any economics course.

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Many consumers have been mystified by Economics in general and the economy in particular. This book finally lifts the veil of Economics and exposes the public to: the foundational theory of Economics by the primary theorists in the field; current, cutting-edge research; and some practical uses of the subject matter by businesspeople, the government and consumers. This book is a "must-read" for those interested in the foundations of our present economy and the knowledge necessary to understand the future of economic growth.

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8/31/2011

Modeling Monetary Economies Review

Modeling Monetary Economies
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Economists have a responsiblity to communicate as simply as possible. Too often complex mathematics are an egotistic tool of the economist that merely frustrates the reader. Champ and Freeman's Modeling Monetary Economies is a wonderful volume that explains tough issues in monetary economics by building upon Wallace and Bryant's overlapping generations (OLG) model.
The OLG framework is a very simple framework that has its limitations, yet it is a powerful explanatory device. Champ and Freeman apply it to the following exercises:
* Introduce money into an economy--any grad student of economics (as I once was) will tell you this is no simple task! We take money for granted, of course, but mathematical models tend to imply that money is unnecessary! Just getting money into an economic model without unreasonable assumptions is itself an accomplishment.
* Inflation--again, not easy to do in other mathematical models of money--and anticipated inflation
* International currency exchange and the indeterminancy of the exchange rate
* Central banking and changes to the money supply
* Banks and lending
* Deficits and the national debt
* The interaction of all of the above
The book also has exercises in it that apply and extend the models introduced in each chapter.
RECOMMENDATION
I recommend this book for advanced year undergrads (in mathematical econ programs) and graduate students. It really is a great book that builds a conceptual knowledge of the interaction of the various components of monetary economics. This is useful for understanding more complicated dynamic optimization models. And it provides models that are useful in their own right and relevant as the basis for further (ie., dissertation) research.

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The approach of this text is to teach monetary economics using the classical paradigm of rational agents in a market setting. Too often monetaryeconomics has been taught as a collection of facts about existing institutions for students to memorize. By teaching from first principles instead, the authors aim to instruct students not only in the monetary policies and institutions that exist today in the United States and Canada, but also in what policies and institutions may orshould exist tomorrow and elsewhere. The text builds on a simple, clear monetary model and applies this framework consistently to a wide variety of monetary questions. The authors have added in this third edition new material on money as a means of replacing imperfect social record keeping, the role of currency inbanking panics, and a description of the policies implemented to deal with the banking crises that began in 2007.

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