movements of GDP

Page 1: Introduction to Macroeconomics

Overview

  • The central theme of the presentation is the examination of movements in Gross Domestic Product (GDP) over time. This provides insight into the overall economic health and trends in the economy.

Page 2: Time-Series Data on Italian Real GDP (1980-1999)

Real GDP Levels and Growth Rates

  • Analyzes data from 1980 to 1999 regarding the evolution of Italy's real GDP.

  • Key Data Points:

    • 1980: Real GDP level = 1,229,496 million USD, Growth Rate = 3%

    • 1989: Real GDP level = 1,528,273 million USD, Growth Rate = 4%

    • 1999: Real GDP level = 1,774,200 million USD, Growth Rate = 2%

  • Trends:

    • The GDP growth rates vary, with notable fluctuations, including negative growth in 1993 and 1995.

  • Source: Data adapted from UNCTAD, using 2015 as the base year.

Page 3: Time-Series Data on Italian Real GDP (2000-2021)

GDP Performance Over Two Decades

  • Presents GDP levels and growth rates for the early 21st century.

  • Key Data Points:

    • 2000: Real GDP level = 1,841,388 million USD, Growth Rate = 4%

    • 2008: Real GDP level = 1,967,688 million USD, Growth Rate = -1%

    • 2021: Recovery with a Real GDP level = 1,860,059 million USD, Growth Rate = 7%

  • Observations: Economic turbulence during the 2008 financial crisis and subsequent recovery.

Page 4: Analysis of Real GDP Levels (1970-2021)

Long-Run vs Short-Run Trends

  • Initial and Final Real GDP Levels:

    • Initial level in 1970 contrasted with the final level in 2021 shows overall growth.

  • Long-Run (LR) Trends:

    • An upward trajectory indicates general economic growth over the long term.

  • Short-Run (SR) Fluctuations:

    • Various peaks and troughs demonstrate short-term economic instability.

Page 5: Real GDP Growth Rate Trends

Understanding Economic Acceleration and Deceleration

  • Graphical Representation:

    • Yearly growth rates highlighted alongside corresponding GDP levels.

    • When GDP increases (Y↑), growth rate is positive; conversely, negative GDP growth indicates recession periods.

Page 6: Time-Series Data on Italian Real GDP Per Capita (1970-1999)

GDP Per Capita Analysis

  • Explores growth in per capita GDP both in terms of levels and growth rates.

  • Key Data Points:

    • 1980: Per capita GDP level = 21,826.87 USD, Growth Rate = 3%

    • 1999: Per capita GDP = 31,156.34 USD, Growth Rate = 2%

  • Patterns Observed: While per capita GDP steadily rises, growth rates show variability.

Page 7: Time-Series Data on Italian Real GDP Per Capita (2000-2021)

Continued Growth Analysis

  • Provides data from the 21st century, emphasizing both levels and growth rates.

  • Key Data Points:

    • 2010: Level = 31,753.32 USD, Growth Rate = 1%

    • 2021: Level = 31,398.52 USD, Growth Rate = 7%

  • Trends: Notable decrease in 2020 during the pandemic followed by recovery in 2021.

Page 8: Long-Run and Short-Run Analysis of Per Capita GDP

Overall Growth Trends

  • Long-Run (LR) Trends:

    • Per capita GDP has increased from 1970 to 2021, indicating a rise in living standards.

  • Short-Run (SR) Fluctuations:

    • Although per capita GDP rises over time, there are periods of decline associated with economic downturns.

Page 9: Per Capita Real GDP Growth Rate

Yearly Growth Rate Analysis

  • Illustrates the annual changes in per capita GDP

  • Key Insights:

    • Consistent monitoring of growth rates provides insights into economic health and potential concerns for policy makers.

Page 10: Questions for Macroeconomics

Long-Run vs Short-Run Determinants

  • Inquires as to why both real GDP and per capita GDP have shown overall growth from 1970 to 2021, as well as the fluctuations throughout the years.

  • Long-Run (LR) Determinants of GDP: Structural changes in the economy, advancements in technology, and population growth.

  • Short-Run (SR) Determinants of GDP: Immediate factors such as consumer spending, government policies, and international trade impacts.

Questions for Macroeconomists

Why have real GDP & per capita real GDP risen overall between 1970 and 2021?

  • Long-Run (LR) Determinants of GDP:

    • Structural changes in the economy

    • Advancements in technology

    • Population growth

Why have real GDP & per capita real GDP risen and fallen from time to time between 1970 and 2021?

  • Short-Run (SR) Determinants of GDP:

    • Immediate factors such as consumer spending

    • Government policies

    • International trade impacts

These questions address the overall growth trends as well as the fluctuations experienced in economic performance over the specified period.