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
Read MoreKey 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
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,
Read MoreInternal 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):
- Family or private consumption
- Corporate investment
- Public expenditure
- 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
Read MoreProduction Factors, Costs, and Efficiency in Business
Quoted Rates of Productive Factors
Natural resources and land: Raw materials, energy, and various supplies that contribute to the product.
Labor: Manpower or the time spent by workers on the production of a good or service.
Capital: Company funds and all capital goods needed for production, including machine tools, production plants, premises, and buildings.
Technology
A specific or concrete way of combining production factors to produce a good or service.
R&D+i
Expenditure on research, innovation,
Read MoreFinancial Statement Analysis: Inflation, Cash Flow, and Valuation
Effects of Inflation
Influence on Costs
Traditional accounting methods record asset additions to the income statement based on historical costs. Inventory values, diverse in nature and acquired at different times, are expressed in current monetary terms through the company’s ongoing operations.
Effects on Depreciation Costs
Setting depreciation based on the original purchase price during inflationary periods becomes problematic during asset replacement. The accumulated depreciation may be insufficient
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