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Lecture

Small Open Economy Modeling

In course

FIN-406: Macrofinance

This course provides students with a working knowledge of macroeconomic models that explicitly incorporate financial markets. The goal is to develop a broad and analytical framework for analyzing the interaction of financial decisions, macroeconomic events ...

Description

This lecture covers the modeling of a small open economy where the representative agent maximizes lifetime utility subject to budget constraints and stochastic productivity shocks. Topics include Lagrangian formulation, first-order conditions, borrowing constraints, steady-state analysis, and impulse response plotting. The lecture also explores the effects of relaxing borrowing constraints on capital stock, output, debt, and consumption. MATLAB is used to code the model and analyze the responses to productivity shocks.

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Instructors (3)

Christian Pröbsting

Stylianos Tsiaras

I am a scientific collaborator at the Luisa Lambertini's Chair of International Finance at the Swiss Finance Inst i tute. Previously I was a Max Weber Fellow at the European University Institute. I got my PhD in economics at the University of Surrey. My thesis was supervised by Professor Martin Kaae Jensen and Dr. Tom Holden. My recent research explores the set of unconventional monetary policies by the European Central Bank and their impact on the macroeconomy, welfare and inequality.

Luisa Lambertini

Luisa Lambertini is Full Professor at the Ecole Polytechnique Federale de Lausanne (EPFL), where she holds the Chair of International Finance. She received her Ph.D. in Economics from the University of California at Berkeley in 1995, her Master of Science in Economics from Warwick University in 1989 and a Laurea cum Laude from the Universita' degli Studi di Bologna in 1987. Prior to coming to EPFL, Professor Lambertini was Associate Professor at Claremont McKenna College 2005-06, Associate Professor at Boston College 2003-06 and Assistant Professor at the University of California at Los Angeles 1995-03. Professor Lambertini's research is in international finance, open-economy macroeconomics and political economy. She studies how monetary and fiscal policies affect the economy, how they interact and how they can be used to achieve good economic outcomes and improve social welfare. Professor Lambertini's research focuses on how monetary and fiscal institutions should be designed to successfully mitigate the impact of unexpected shocks while pursuing long-run goals consistent with price stability and fiscal sustainability. These issues are even more important for small open economies in an interdependent world and for countries that adopt a common currency. Professor Lambertini has published articles in the American Economic Review, the Review of Economic Studies, the European Economic Review, the Journal of International Economics and the Economic Journal, among others. She was a Consultant in the Fiscal Policies Division of the European Central Bank and she has organized several international conferences. More details on my CV

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Related concepts (32)

Shock (economics)

In economics, a shock is an unexpected or unpredictable event that affects an economy, either positively or negatively. Technically, it is an unpredictable change in exogenous factors—that is, factors unexplained by an economic model—which may influence endogenous economic variables. The response of economic variables, such as GDP and employment, at the time of the shock and at subsequent times, is measured by an impulse response function. A technology shock is the kind resulting from a technological development that affects productivity.

Stock

Stock (also capital stock, or sometimes interchangeably, shares) consist of all the shares by which ownership of a corporation or company is divided. A single share of the stock means fractional ownership of the corporation in proportion to the total number of shares. This typically entitles the shareholder (stockholder) to that fraction of the company's earnings, proceeds from liquidation of assets (after discharge of all senior claims such as secured and unsecured debt), or voting power, often dividing these up in proportion to the amount of money each stockholder has invested.

Consumption (economics)

Consumption is the act of using resources to satisfy current needs and wants. It is seen in contrast to investing, which is spending for acquisition of future income. Consumption is a major concept in economics and is also studied in many other social sciences. Different schools of economists define consumption differently. According to mainstream economists, only the final purchase of newly produced goods and services by individuals for immediate use constitutes consumption, while other types of expenditure — in particular, fixed investment, intermediate consumption, and government spending — are placed in separate categories (see consumer choice).

Impulse response

In signal processing and control theory, the impulse response, or impulse response function (IRF), of a dynamic system is its output when presented with a brief input signal, called an impulse (δ(t)). More generally, an impulse response is the reaction of any dynamic system in response to some external change. In both cases, the impulse response describes the reaction of the system as a function of time (or possibly as a function of some other independent variable that parameterizes the dynamic behavior of the system).

Stock market

A stock market, equity market, or share market is the aggregation of buyers and sellers of stocks (also called shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange, as well as stock that is only traded privately, such as shares of private companies which are sold to investors through equity crowdfunding platforms. Investment is usually made with an investment strategy in mind. The total market capitalization of all publicly traded securities worldwide rose from US$2.

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