Notes, summaries, assignments, exams, and problems for Economy

Revenue: Unit selling price A* Quantity A +Unit selling price B* Quantity B

Purchases: - ((Quantity A* Unit cost of sale A + Quantity B* Unit cost of sale B)+ Chang invent)

Change of inventory: Inventory Year 1 - Inventory Year 0

Consume cost of good sold: Purchases + Change of inventory.

Gross Profit: Revenue + Consume cost of goods sold.

Overheads: - overheads (table)

Ebitda: Gross profit + overheads

Am & depreciation: - gross asset + COSTOF DEBT of debt (table)

Ebit-BAII: Ebitda + Am & depreciation.

Financial result: - Total debt (table) * COSTOF DEBT of debt (table)

EBT- BAI: Ebit + Financial result

Taxes: - EBT * TAX rate (table)

Net earning: EBT + Taxes

Gross asset Y1 : Gross asset year 0 + CAPEX

Accumulated amortitation Y1: Accumulated amortitation... Continue reading "Core Financial Modeling Formulas and Metrics" »

What are the Three Fundamental Reasons for the Welfare State's Existence?

The three fundamental reasons for the existence of the welfare state are:

• To assist the economically disadvantaged.
• To address market failures, such as inefficiencies in private insurance and pension systems.
• To support economic growth.

What is the Difference Between Risk and Uncertainty, and How Does the Welfare State Address Both?

Risk refers to situations where the probabilities of possible outcomes are known, while uncertainty is when these probabilities are unknown. The welfare state copes with both scenarios by collectively spreading the risk across a large number of people and adjusting contributions as necessary. This differentiates it from private insurance, which... Continue reading "Welfare State Evolution: Foundations, Challenges, and Policy Solutions" »

Core Business Definitions and Stakeholders

Key Business Products

• Goods: Physical products.
• Services: Non-physical products.
• Consumer Goods: Goods and services sold directly to ordinary people (consumers).
• Producer Goods: Goods and services sold to other businesses.

Types of Enterprise Ownership

Ownership determines who controls and benefits from the enterprise:

• Private Enterprise: Owned by individuals.
• Social Enterprise: A resource focused on objectives other than profit maximization.
• Public Enterprise: Owned and controlled by the government.

Understanding Stakeholders

Stakeholders are individuals or groups with an interest in the business's operations and success. Key stakeholders include:

• Local community
• Owners
• Suppliers
• Customers
• Government
• Employees
• Managers
• Shareholders

Roles

Model A: Strategic Management Concepts

1. According... consolidation? c)
2. What... have? b)
3. How... the company? b) ...successfully
4. What... market? d) It's the intersection
5. What... defined? c) The sum
6. The star... matrix... b) Have large
7. What... activity? c) The set of products
8. What... matrix? b) Market appeal
9. What... consist of? d) Restructuring
10. What... economies? a) Related diversification
11. What... company? d) Vertical integration
12. What... bankruptcy? a) Unrelated diversification
13. In which... business? a) Unrelated

Model A: Implementation and Testing

14. How... stages? d) Set of objectives
15. A new... view? b) It is any
16. Challenging... consumption? b) Flank
17. When... differentiation? b) When a company
18. For the... define? c) Integrity is the extent
19. When... challenger? a) ...weakest
20. When.

Capital Structure Review and Theories

Understanding the implications of various capital structure theories is crucial for corporate finance decisions.

Modigliani-Miller (M&M) Propositions

• Case I: Value of Levered Firm (VL) = Value of Unlevered Firm (VU)
  • Assumes a perfect world: no taxes, no bankruptcy costs, perfect information symmetry, competition, and no transaction costs.
  • Capital structure is irrelevant to firm value.
  • The cost of capital remains constant.
    • Adding cheaper debt increases equity risk (higher required return on equity).
    • This increase in equity cost perfectly offsets the benefit of cheaper debt, keeping the Weighted Average Cost of Capital (WACC) the same.
• Case II: VL = VU + Present Value of Tax Shield (DT)
  • Includes corporate tax,

Chapter 2: Types of Business Activity

The Three Sectors of Industry

• Primary Sector: Extracts and uses natural resources from the Earth.
• Secondary Sector: Manufactures goods using raw materials provided by the primary sector.
• Tertiary Sector: Provides services to consumers and other sectors of industry.

The three sectors are usually compared by two factors:

• The number of workers in each sector.
• The value of the output of goods and services.

Economic Systems

• Deindustrialization: The process involving a decline in the importance of the secondary manufacturing sector in an economy.
• Free Market Economy: An economy without government control over the factors of production; also known as a market economy.
• Monopoly: A business that controls the entire market

Chapter 3: Business Organizations

There are five main forms of business organizations in the private sector:

1. Sole Traders
2. Partnerships
3. Private Limited Companies (PLCs)
4. Public Limited Companies (Ltd.)
5. Co-operatives

Key Business Terms

Limited Liability: This term refers to the owners of a company (shareholders). They are not held responsible for the debts of the company they own. Their liability is limited to the investment they made in buying the shares.

Partnership Agreement: A written and legal agreement between business partners. While not essential, it is always recommended.

Sole Traders: The most common form of business organization. It is a business owned and operated by one person.

Partnerships: A group or association between 2 and 20 people who... Continue reading "Business Organizations: Structures & Key Concepts" »

Municipal Bond Yield Calculations

Equivalent Taxable Yield (ETY)

A municipal bond carries a coupon rate of 6.00% and is trading at par.

Required Calculation 1: ETY for a 38% Tax Bracket

What would be the equivalent taxable yield of this bond to a taxpayer in a 38% combined tax bracket?

The formula for Equivalent Taxable Yield ($r$) is:

$$r = r_m / (1 - t)$$

• $r$: Equivalent Taxable Yield
• $r_m$: Municipal Bond Yield (6.00% or 0.06)
• $t$: Tax Rate (38% or 0.38)

Calculation:

$$0.06 / (1 - 0.38) = 0.096774 \rightarrow \mathbf{9.68\%}$$

Required Calculation 2: Municipal Yield Preference

An investor is in a 40% combined federal plus state tax bracket. If corporate bonds offer 7.75% yields, what yield must municipals offer for the investor to prefer them to corporate... Continue reading "Financial Calculations: Yields, Index Returns, and Security Pricing" »

Hedging with S&P 500 Index Futures

SIF hedging: NF = V_F(antiguo) = F_o x Z. NF (Number of contracts) = V_p (portfolio value) / (V_F x B_p) (Beta). With this hedge, risk is removed. If the index goes up, the profit in the portfolio will be offset by losses in SIFs contracts and vice versa.

Example: S&P 500 falls 5%:

• In the portfolio: R_p = B_p x (-5%) = -10% of a portfolio of $10M, resulting in $9M (Final Value).
• In the SIFS contracts: S_i = 980 (S&P 500 value given) x 0.95 (100% - 5%) = 931. F_i = 931 x (1 + 0.04 x 5/12 (next month timeframe)) = 946.52. V_F = NF x (F_i - F_o) x Z (250).
• Gain on futures: V_F(New) / Equity portfolio value.
• Outcome stock portfolio: 2 x (-5%) = -10%.
• Final Value portfolio: $10M - $1M + V_F(New).

Margin Payments

Margin payments... Continue reading "Hedging and Speculation with Futures and Options" »

Manufacturing Costs

Manufacturing costs include indirect materials, indirect labor, maintenance and repairs on production equipment, heat and light, property taxes, depreciation, and insurance on manufacturing facilities.

Variable and Fixed Costs

• Variable Costs: Expenses that change in proportion to production volume (e.g., direct materials, direct labor, sales commissions, utility costs, packaging).
• Formula: Total Variable Cost (TVC) = Variable Cost per Unit × Number of Units Produced
• Fixed Costs: Expenses that remain constant regardless of production levels (e.g., rent, salaries, insurance, property taxes, loan payments).

Direct Costs

Direct Costs are expenses that can be directly attributed to a specific product, project, or activity associated... Continue reading "Manufacturing Cost Analysis and Financial Statement Formulas" »