IRSC ECO2013 market systems and circular flow

The Market System and the Circular Flow

Part A: The Market System

  • Adam Smith (1723 - 1790): Considered the father of modern economics.

Economic Systems

  • Definition: A set of institutionalized arrangements that coordinate economic activity and address five fundamental questions.

How Economic Systems Differ

  • Differences:

    • Degree of decentralized use of markets and prices.

    • Degree of centralized government control.

Example 1: Laissez-Faire Capitalism

  • Concept: An ideal economy free from government interference.

  • Government Role: Limited to protecting property and enforcing contracts.

  • Market Interaction: Individuals engage in markets to trade.

Example 2: The Command System

  • Definition: Opposes laissez-faire capitalism; also known as socialism or communism.

  • Characteristics:

    • Government ownership of resources.

    • Central planning for decision-making.

  • Examples: North Korea, Cuba, Myanmar.

The Demise of Command Systems

  • Problems:

    • Coordination challenges with output targets for goods.

    • Lack of incentives leading to failure in adjusting supply/demand imbalances.

  • Historical Examples: The Soviet Union, Eastern Europe, and post-1980s China.

Historical Context

  • Berlin Wall (1989): Symbolized the collapse of command economies and the shift towards freedom.

Marx's Contributions to Economic Theory

  • Key Ideas:

    • Argued workers are exploited by capitalists due to demand fluctuations affecting wages.

    • Predicted that technological advancements would lead to job loss and ultimately to worker revolts.

Where Marx Went Astray

  • Flawed Assumptions:

    • Overlooked the impact of increasing demand on worker wages.

    • Limited perspective due to specific historical context and geographical focus (1850-1870 England).

    • Ignored the role of entrepreneurship in fostering economic growth.

Economic Analysis and Long-Run Behavior

  • Elasticity in Labor Markets:

    • Workers have more flexibility to change occupations than capital to change production.

  • Historical Insights:

    • Schumpeter posited that demand curves fluctuate and not solely decline.

The Outcome of Technological Changes

  • Implications:

    • Job creation in new markets due to technological progress, countering Marx's predictions of job losses.

    • Real wages have increased globally, disproving Marx's theories.

Economic System Comparisons

Case Studies: North vs. South Korea

  • Both countries started similarly post-war but diverged economically over time:

    • North Korea's GDP: $1,600 (2016).

    • South Korea's GDP: $29,288 (2016).

Case Studies: East vs. West Germany

  • Trabants: Icon of the inefficiencies of command economies, highlighting lack of innovation due to monopolies and lack of competition.

The Market System

  • Definition: A mix of decentralized decision-making and some government oversight.

  • Characteristics:

    • Private property and freedom of enterprise.

    • Prices determined by market interaction.

  • U.S. Economy: Operates as a market economy; consumers influence production through purchasing decisions.

What is a Market?

  • Definition: A process for establishing prices through the interaction of buyers and sellers.

Capitalism vs Socialism

  • Capitalism: Market-based system where production decisions rest with private owners.

  • Socialism: Non-market based decisions made by the government.

Role of Money

  • Function: Facilitates trade as a medium of exchange, eliminating barter limitations.

Government's Role in Markets

  1. As an Actor:

    • Consumes output and employs workforce.

  2. As a Referee:

    • Sets rules for market interactions to ensure fairness and compliance with laws.

Government Roles in the Economy

  1. Stable institutions and rules.

  2. Promote competition.

  3. Correct externalities.

  4. Ensure stability and growth.

  5. Provide public goods.

  6. Ensure product safety.

  7. Disseminate knowledge.

Economic Interactions

  • Forces in Economy:

    • Economic, social, and political forces interact, influencing market operations.

    • The invisible hand theory proposes that self-interested actions can lead to beneficial outcomes for society.

Fundamental Economic Questions

  1. What will be produced?

  2. How will it be produced?

  3. Who will get the output?

  4. How will the system accommodate change?

  5. How will it promote progress?

Willingness to Pay and Production Decisions

  • Consumer Power: Profit drives production and determines market survival.

Efficiency in Production

  • Goal: Minimize costs per unit produced based on available technology.

Accommodating Change in the Market System

  • Market Dynamics: Responses to consumer preferences and resource prices affect production and prices.

Promoting Progress in the Economy

  • Growth Incentives: Economic systems require innovation and advances for improved standard of living.

Managing Risks in Production

  • Risk and Reward: Handling risks proportionate to expected rewards is crucial in production decisions.

Part B: The Circular Flow

  • Circular Flow Model: Visual representation illustrating the flow of money and goods between households and firms in the economy.

Components of the Circular Flow

  • Firms produce and sell goods, using inputs from households, who in return, consume goods and services provided by firms.

Conclusion

  • This chapter provided insights into the complexities of economic systems, the impact of historical perspectives on modern economics, and the fundamental principles underlying market functions.