Per Capita GDP, Economic Growth, and Investment Fundamentals and Policy

Defining Per Capita and Real GDP

• Per Capita GDP: Defined as the amount of economic production per person in a given economy.
• Real GDP: This measurement represents the total economic output adjusted for inflation. It is considered the "actual" or "real" measure of economic performance.
• Calculation Method: To find Per Capita GDP, the Real GDP is divided by the total population.
      * Example: If the Real GDP is $\$20,000,000,000,000$, it must be divided by the population count.
• Population Coverage: For Real GDP purposes, the population includes every individual living in the United States, not just the working population.
      * This includes the "smallest baby just born" and all retirees.
      * A student suggested the population might be around $320$ (millions), though the focus is that the denominator must be the total resident count.

Economic Growth vs. Expansion

• The Baseline Concept: The "baseline" is the level of production where an economy should be or where it was before a recession.
• Expansion (Returning to Baseline): If an economy is in a recession and returns to its previous baseline, this is an expansion of the current economy, but it is not technically economic growth. Because the economy has been at that level before, it is simply a recovery.
• Economic Growth: This occurs only when production moves beyond the baseline and surpasses previous capacity.
• The Car Factory Metaphor:
      * Normal Production: $10,000$ cars per week.
      * Recession: Production drops to $5,000$ cars per week (Recessionary Gap).
      * Recovery: Production returns to $10,000$ cars per week. This is "back to normal," not growth.
      * Growth: Production increases to $12,000$ cars per week. This is economic growth because it expands beyond the normal capacity.

Graphing Economic Growth

• Production Possibilities Curve (PPC): Economic growth is represented by the entire curve shifting outward.
• AS-AD Model (Aggregate Supply and Aggregate Demand):
      * The Y-axis is labeled Price Level.
      * The X-axis is labeled Real GDP.
      * The Long Run curve is a vertical line representing equilibrium.
      * Recessionary Gap: Represented to the left of the long-run equilibrium line.
      * Inflationary/Expansionary Gap: Represented to the right of the long-run equilibrium line.
      * Moving from a recessionary gap to an inflationary gap requires three vertical lines: the recessionary point (left), the equilibrium (middle), and the growth point (right).
• Importance of Labeling: Correct labeling of the X and Y axes is critical for College Board standards. Even if the visual outcome of the lines is similar when axes are switched, the Price Level must stay on the Y-axis and Real GDP on the X-axis.

Indicators and Elements of Economic Growth

• Standard of Living: This is cited as the single best indicator of economic growth.
• Real Wages: Higher real wages serve as another primary indicator of growth.
• The Three Elements of Growth (Quantity of Resources):
      1. Land: Natural resources such as trees (lumber industry), oil, or water.
      2. Labor: The human population/workers.
      3. Capital: Machinery, buildings, and physical tools.
• Quality of Growth (Productivity):
      * Productivity is defined as output per hour.
      * Increased productivity allows companies to pay workers more or make more profit without necessarily raising prices for consumers.
      * Specialization: Increasing efficiency by having workers focus on specific tasks they are best at (e.g., a worker specializing in mounting tires rather than installing steering wheels).

Investment and Capital Stock

• Human Capital: Investment in education and training. Obtaining a degree allows a worker to move from a manual labor position (construction worker) to a management position (foreman).
• Capital Stock: This refers to the existing supply of machines and equipment. Increasing capital stock allows for greater production and economic growth.
• Capital Formation: The process of adding more to the existing capital stock.
• Gross Investment: Heavily influenced by interest rates. High interest rates discourage borrowing and investment, which halts GDP growth.
• Net Investment:
      * Formula: $\text{Net Investment} = ext{Investment} - ext{Losses (Depreciation)}$.
      * Example: A company buys four new machines at $\$1,000$ each ($\$4,000$ total investment). If one old machine breaks/depreciates, the loss is $\$1,000$. The net investment is $\$3,000$.
• Negative Net Investment: On a PPC graph, this causes the curve to shrink inward, indicating a recessionary gap.

Government Policy and Economic Drivers

• Government-Funded Research: Direct investment in R&D leads to economic growth.
• Infrastructure: Spending on roads and transport. The speaker mentions a $\$1,800,000,000,000$ ($\$1.8$ trillion) infrastructure bill passed under the Biden administration.
• Tax Credits:
      * Investment tax credits for companies.
      * Research and development (R&D) tax credits to incentivize innovation.
• Education and Job Training: Funding for these programs increases the quality of labor (human capital).
• Regulatory Policy: Reducing regulations is intended to help businesses grow.
• Tax Cuts:
      * Corporate tax cuts: Benefit companies directly.
      * Income tax cuts: Benefit consumers, putting more money in their pockets to spend, which helps the economy.

Questions & Discussion

• Testing and Logistics: Discussion regarding the government and economics final exams. The teacher mentions that the government material has been online for two months and the test is primarily writing/essays.
• Personal Anecdote (Medical/Training): The teacher shares a story about a former student training to be a phlebotomist who attempted to draw blood/set an IV $16$ times (10 on the right arm, 6 on the left), resulting in a collapsed vein that was visible for three years. This illustrates the importance of proper training and the trial-and-error nature of student certification.
• Supreme Court Discussion: The class briefly discusses a recent Supreme Court decision regarding the Voting Rights Act of 1965.
      * The ruling limited the act, specifically concerning the breakdown of majority-minority districts (Hispanic or African American majority districts).
      * The court\'s logic involved the idea that specifically protecting these districts could be viewed as a race-based issue that might negatively affect the majority.
      * The teacher notes that Gerrymandering (referred to as "Gerry is back") is expected to speed up, though the upcoming midterms may be less affected because map changes often require time for implementation and approval by constituents.
• Nobel Peace Prize: The teacher references a BBC interview involving Trump and Haxeld regarding the war, noting the irony of seeking a Peace Prize for ending a conflict essentially started or influenced by the same party's actions (metaphorically raising gas prices then taking credit for lowering them).