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

Network Economics and the Information Sector

Network Effects

Network effects occur when the value of a network increases as the number of users increases. A prime example is Facebook. Networks consist of nodes (e.g., firms, individuals) connected by links (e.g., roads, railway lines, cables).

Network Externalities

Network externalities arise when a decision-maker doesn't bear the full cost or receive the full benefit of their actions within a network. This leads to sub-optimal market outcomes.

The Choice of Standards

Autarky Value

Autarky value refers to the value a customer derives from a product when no one else uses it, meaning there's no network effect.

Synchronization Value

Synchronization value is the additional value gained when a product format... Continue reading "Network Economics and the Information Sector: A Comprehensive Guide" »

Capital Budgeting: Valuing Investment Projects

Capital budgeting is the process by which investors determine the value of a potential investment project. Selecting the right projects is crucial for long-term financial health. The three most common approaches to project selection are the Payback Period (PB), Internal Rate of Return (IRR), and Net Present Value (NPV).

Net Present Value (NPV)

The Net Present Value approach is the most intuitive and accurate valuation approach to capital budgeting problems. NPV reveals exactly how profitable a project will be in comparison to alternatives.

The NPV rule states that all projects which have a positive net present value should be accepted, while those that are negative should be rejected. If funds are... Continue reading "Capital Budgeting Methods: NPV, IRR, and Payback Period Analysis" »

International Trade Fundamentals

Imports of Goods and Services (% of GDP)

Imports of goods and services represent the value of all goods and other market services received from the rest of the world. They exclude compensation of employees and investment income (formerly called factor services) and transfer payments.

Exports of Goods and Services (% of GDP)

Exports of goods and services represent the value of all goods and other market services provided to the rest of the world.

The Scope of International Trade and Government Regulation

The role of governments in regulating international trade and investment is substantial.

Types of International Trade

There are two primary types of trade:

• Interindustry Trade: Depends on differences across countries

The Gold Standard: A Historical Overview

The gold standard is a monetary system in which money is freely convertible into a fixed amount of gold. It evolved from the variety of commodity money there was before the development of paper money and fractional reserves banking. It started to function in 1871. As we know, this century was characterized by globalization and an increase in international trade. Therefore, all trade imbalances between nations were settled with gold. The main priorities of the government were to maintain gold reserves and exchange rate stability.

The Trilemma of the Open Economy

If you had the Gold Standard you had fixed exchange rates and unrestricted capital mobility but Not Monetary Autonomy. As a result, countries always... Continue reading "The Gold Standard: History, Impact, and Challenges" »

T1: Economic Choice and Behavioral Models

The fundamental economic problem involves limited resources and unlimited wants.

Principles of Economic Choice

• Marginal Analysis
• Cost-Benefit Analysis

Models of Behavior

Behavioral models often contrast:

• Monetary Compensation (Only money matters)
• Intrinsic Motivation (Happy is productive)

Risky Outcomes and Utility

Individuals react differently to risk, defined by their utility function:

• Risk Averse
• Risk Neutral
• Risk Lover

T2: Market Economies Versus Central Planning

The Market Economy Framework

Key components of a market economy include:

• Property Rights: Alienable rights and use rights.
• Organization: Composition, social rules, and gains from trade.
• Generalization: Demand curve, supply curve, and the market-clearing price.

Reconstructing the Gold Standard

After World War I, there was a widespread willingness to return to stable currencies through a gold standard or an equivalent system. This led to the Gold-Exchange Standard, where currencies were backed not only by gold but also by "hard currencies" (like the British Pound Sterling and the US Dollar) that were convertible into gold. A central question was at which parity to return. Significant differences in wartime inflation had left various currencies at different distances from their pre-war parity with gold.

The Challenge of Setting Parity

If a country wanted to return to its pre-war parity but its currency was inflated, it had to revalue its currency upwards. This required deflating the economy to attract... Continue reading "The Interwar Gold Standard: Policy Choices and Consequences" »

Policy as Institutional Output

• Governments bestow legitimacy, universality, and mandatory policies.
• The characteristics of government organizations and institutions influence the types of public policies embraced by officials.
• Certain issues, problems, and interest groups have more weight than others in government.

Process Model

• It conceives the political process as a series of political activities: identification of the problem, establishment of the agenda, formulation, legitimation, implementation, and evaluation.

Group Theory Model

• Policies are the efforts of groups to influence and modify public policies.

Theory of the Elite

• Public policy reflects the interests and values of the elite rather than the demands of the people.
• Change in public policy

Arguments For and Against Protectionism

Infant Industries

For: Industries in their early stages of development are unlikely to experience large economies of scale, placing them at a disadvantage when competing with established foreign firms. However, some industries have the potential to become world-class. Thus, governments may need to support the growth of these young industries.

Against: Protectionist measures shield inefficient firms from foreign competition, reducing the motivation to improve productive efficiency. Moreover, it is difficult for governments to identify which industries have true potential, and protectionist measures often carry high opportunity costs and tend to become permanent.

Anti-Dumping Measures

For:

• Protects the stability

Executive Summary

Corporate Social Responsibility (CSR) is a way of managing companies based on the management of the impacts that their activity generates on their customers, employees, shareholders, local communities, the environment, and society in general.

Introduction to CSR Practices

This report will examine different ways a company practices CSR, focusing on three key pillars:

• Employment & Community (People)
• Environmental Protection (Planet)
• Ethical Business Growth (Profit)

Employment and Community Engagement

Companies must pay attention to factors affecting the well-being of everyone, not just their employees, in areas where the company has its plants and offices.

Collaboration with local sports, cultural, or economic activities can improve... Continue reading "Corporate Social Responsibility: Impact & Strategy" »