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What is macroeconomics?. Macroeconomics studies the evolution of certain economic aggregates over time (what drives the trends in total production, consumption, the overall price level, unemployment, etc)
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What is macroeconomics? • Macroeconomics studies the evolution of certain economic aggregates over time (what drives the trends in total production, consumption, the overall price level, unemployment, etc) • In microeconomics the object of interest is a single firm or household. In macroeconomics we study countries or regions
Why should you care about macroeconomics? • The performance of the overall economy affects us every day at the individual level (interest rates, stock market, taxes, economic recessions) • It will help you performing successful business (or professional) decisions • It is useful for understanding and criticizing policy makers • If you want a job in an international organization (IMF, World Bank, etc), or admission to the best law and business schools, economics will give you a competitive edge.
Main topics we will discuss • Why some countries are rich and others poor? • Why the economy fluctuates over time? • How do taxes and regulations affect the economy? • International trade
Cross country differences in per capita income • Great disparity in average income per capita • High income countries: $29 450 US • Subsaharan Africa: $ 1 770 • Low income countries: $ 2 190 US • Medium income: $ 6 000 • Latin America: $ 7 080 • Middle income Europe & central asia: $7 570 Why!
Why do we care? • The welfare implications of increasing the income of poor countries to the level of rich countries are staggering • You will be able to use data and theory to analyze the current and expected performance of any country (which increases your professional market value)
Can something be done to avoid major economic crisis? Source: Kehoe and Prescott (2001)
Why do we care? • A volatile economic environment complicates choices and may affect welfare • Economic slowdowns come together with high unemployment, high bankruptcy rates, low consumption, increase in crime rates, etc. • We want to understand what causes economic fluctuations to determine whether economic policy can and should be used to smooth them out
Maybe do to better payment for women and lower labor income taxes
Main questions • What are the implications of opening the borders to free trade? Who wins?, who looses?, what is the overall effect?