The 1929 Financial Crisis: Global Impact and Aftermath

The 1929 Crisis and Its Causes

Post-War Prosperity and the Seeds of Crisis

Unlike Europe, the United States emerged from World War I significantly stronger. Its economic status shifted from debtor to creditor, it gained new markets domestically and internationally, and established a favorable trade balance. With expanding markets, a growing population, and rapid technological advancements, the U.S. seemed poised for perpetual prosperity.

In the summer of 1928, American banks and investors began diverting

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Production Theory: Key Concepts and Applications

Theoretical Support: Production Theory Exercises

1. Production with a Variable Input

The production function shows the maximum output for given inputs. In the short term, at least one input is fixed. Average product of labor (APL) is total product (TP) divided by labor units. Marginal product of labor (MPL) is the change in TP per unit change in labor.

2. Shapes of Product Curves

The shapes of the TP, APL, and MPL curves are related. APL is the slope of the line from the origin to a point on the TP

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Economic Variables, Ceteris Paribus, and Equations in Economics

Economic Variables

Economic variables are measurable quantities representing aspects of an economy. They help analyze, predict, and make decisions about economic performance and policies.

Types of Economic Variables

Quantitative and Qualitative

Quantitative: Measured numerically (e.g., income, GDP).

Qualitative: Describe non-numeric characteristics (e.g., consumer preferences).

Endogenous and Exogenous

Endogenous: Determined within the economic model (e.g., price).

Exogenous: Determined outside the model

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Key Financial Ratios and Accounting Concepts for Business Analysis

Financial Ratios

Solvency

  • Availability: Available / Current Liabilities (+ or – 0.2, 0.3). Indicates the company’s ability to cover short-term debt with available assets (expressed as X%).
  • Cash (Acid-Test): (Cash + Marketable Securities + Accounts Receivable) / Current Liabilities (+ or – 0.6, 0.7). Shows the ability to cover immediate debts with liquid assets (expressed as X%).
  • Liquidity (Current Ratio): Current Assets / Current Liabilities (>1: Positive Working Capital, <1: Negative Working
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Marketing Concepts: Market Share, Spokespersons, and Media

Diffusion of Innovations

Hypotheses

Two-Step Hypothesis: Information flows from media to opinion leaders, then to the general public.

Trickle-Down Effect: Initially, products are expensive and only accessible to wealthy consumers. Over time, prices drop, making them available to a broader audience.

Everett Rogers Hypothesis:

  • Left Extreme: Some consumers adopt the product immediately.
  • Right Extreme: Some consumers are the last to purchase.

Consumers are classified into five groups: Innovators, Early Adopters,

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Internal Market Forces: A Deep Dive into Supply, Demand, and Economic Policy

Internal Market Forces

The behavior of economic actors in a country is expressed by supply and aggregate demand.

Average Price Level

It is the weighted average of all prices in an economy.

Aggregate Demand

Represents the total expenditure economic agents are willing to make (expected spending):

  1. Family or private consumption
  2. Corporate investment
  3. Public expenditure
  4. Net exports

DA = C + I + G + (XM)

Aggregate Supply

The quantity of production enterprises are willing to sell at an average price level and given

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