Economic Growth and Inequality Overview

Aug 10, 2024

Lecture Notes: Chapter 1 Overview

Video Structure

  • Each chapter contains 4-5 videos (5-6 minutes each).
  • Recommended to read the chapter before or after watching the videos.

Key Themes of Chapter 1

  • Understanding the economic differences over the last 300 years.
  • GDP and GDP per Capita:
    • GDP: Total value of goods/services produced in a year.
    • GDP per Capita: GDP divided by the population.
    • Focus on five countries: Britain, Japan, Italy, China, and India.
    • Observations from 1650-1700: Little to no increase in GDP per capita until around 1700.

Questions Explored

  • How did economic growth happen?
  • Role of capitalism and technology in economic changes.
  • Institutional roles that governments have implemented.
  • Why did some countries grow earlier than others?
  • What strategies can countries adopt to catch up to wealthier nations?

Economic Inequality

  • Growth correlates with increased economic inequality:
    • Across countries and within countries.
    • Historical views on income inequality (e.g., 1980 vs. 2014).
  • Observations on China's progress from a poor to a middle-income country.

Historical Context

  • World was relatively flat in terms of wealth a thousand years ago.
  • Kings, nobles, and emperors had wealth, but minimal differences across regions.
  • Current big differences in income and inequality across countries.

Key Diagrams and Concepts

  • Hockey Stick Diagram:
    • Represents flat income followed by significant growth.
  • GDP as a measure of living standards:
    • Key measure in macroeconomics.

Measuring Income and Living Standards

  • Gross Domestic Product (GDP):
    • Nominal GDP: Current prices measurement.
    • Real GDP: Adjusted for inflation, using a base year.
  • Calculating Growth Rates:
    • Formula: (Current Year Value - Previous Year Value) / Previous Year Value.
  • Purchasing Power Parity (PPP):
    • Necessary for proper cross-country comparisons.

Example Calculation

  • Real GDP in Q2 2016: $51,580.
  • Real GDP in Q2 2017: $52,296.
  • Growth Rate: 1.4%.

Important Graphs

  • Logarithmic Scale vs. Linear Scale:
    • Logarithmic scale shows constant growth rates.
    • Notable growth patterns in Britain, Japan, China, and India.
  • Timing of growth:
    • Key milestones: Britain (1650), Japan (1870), China and India (late 20th century).

Conclusion

  • Understanding the factors that drive economic growth is essential.
  • The chapters will delve deeper into the interplay of government policies, technology, and capitalism.