What is microeconomics? How society really makes economic choices

SUMMARY

Richard Murphy, a political economist, challenges the conventional view of microeconomics by emphasizing the central role of society, government, and power in economic decision-making. He argues that markets are social constructs shaped by laws and institutions, and that true microeconomic analysis must account for inequality, unpaid work, and environmental costs.

MAIN POINTS

• Microeconomics and macroeconomics are introduced as foundational concepts, with microeconomics focusing on decisions by individuals, businesses, and governments. [0:00]
• Conventional economics is critiqued for assuming rational individuals and efficient markets, while the importance of societal context in economic decisions is emphasized. [1:03]
• Markets are described as social institutions created by government rules, not natural phenomena, with property rights and contracts established by the state. [2:00]
• Inequality and power are highlighted as key factors shaping economic outcomes, with wealth and large companies distorting market results. [3:02]
• Significant economic activities such as unpaid care and volunteering are noted as being excluded from market transactions, making conventional microeconomics incomplete. [4:00]
• Market failures, especially regarding environmental harm, are discussed, and a broader definition of microeconomics is proposed to include societal well-being and shared benefits. [5:01]

DETAILED ANALYSIS

Microeconomics is traditionally defined as the study of individual and business decisions within an economy, with markets and rational choice at its core. However, this perspective is challenged by recognizing that no one acts in isolation; decisions are deeply embedded in family, community, and institutional contexts. Governments play a crucial role by establishing the legal and social frameworks—such as property rights, contracts, and money—that make markets possible.

These are not naturally occurring phenomena but are constructed to serve societal needs.

A critical limitation of conventional microeconomics is its assumption of rational actors and efficient markets, which fails to account for the real-world complexity of human behavior. Furthermore, the distribution of wealth and power significantly influences the choices available to individuals and businesses. Large corporations and wealthy individuals can exert disproportionate influence, distorting market outcomes and perpetuating inequality.

The analysis also highlights that many economically significant activities, such as unpaid care work and volunteering, are not captured in market transactions, yet they have profound effects on societal well-being. Additionally, markets often ignore externalities like environmental damage, as these costs are not reflected in prices, leading to outcomes that may harm society.

A comprehensive approach to microeconomics must therefore ask broader questions: how resources are allocated, who bears costs and receives benefits, and what roles markets, governments, and communities should play. The goal is to create an economy that enables everyone to live well, recognizing that markets are just one tool among many for organizing resources. This broader perspective seeks to align economic analysis with the realities of power, inequality, and collective well-being.

LINKS

• Link to today's poll on YouTube.
• Transcript and additional resources at Tax Research UK.
• Instructions and prompt for writing to your MP about issues in the video.
• Donation page to support Tax Research.
• Richard Murphy's Bluesky profile.
• Richard Murphy's Funding the Future blog.
• Introduction video to the channel.
• The Wealth Series playlist.
• Ecenomics playlist.
• Britain playlist.
• Tax playlist.
• MMT playlist.
• Money playlist.
• Climate Change playlist.
• USA playlist.
• Labour playlist.
• The Trump Administration playlist.

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