The Economy of the World | Chapter 1: The World Before Breakfast — What the Economy Actually Is

Book contents · Next · Chapter 2

Before you leave home, the world has already helped you get ready.

Someone grew the grain in your breakfast. Someone maintained the pipe that brought water to your kitchen. Someone designed the phone beside your plate, someone assembled it, and someone keeps the network working when you check the weather. Perhaps someone else has been awake longer than you, preparing food, caring for a relative or getting a child dressed. That work may never appear on a payslip.

You do not need to know those people to depend on them. Most of them do not know you either. Yet their work, organised through households, businesses, public services and countless agreements, has arrived at your table.

The economy is this system of producing, distributing and using the things that support our lives. Money helps organise much of it, but money is only one part. The economy also contains time, knowledge, land, energy, care, rules and decisions about who may use what.

This book begins here because a world economy is easier to understand when we can first see the economy inside an ordinary morning.

A loaf of bread is a good: something tangible. A haircut is a service: useful work performed for someone. So are a bus journey, a lesson, the repair of a leaking roof and the safe treatment of drinking water. Production includes services as well as objects. An economy can become better at looking after people without filling every room with more possessions.

Producing anything requires inputs. Some come from nature, such as water or soil. Some come from human effort and skill. Others are tools, buildings, equipment or software made through earlier production. Economists often call these produced means of production capital. In this sense, a delivery bicycle is capital, while the cyclist’s money is a financial resource that can buy or finance it.

The distinctions help us ask a practical question: what does this activity actually need? A clinic cannot treat patients with funding alone. It needs trained people, rooms, equipment, medicines and systems that bring them together. Funding gives the clinic a claim on some of those resources. It does not make them appear instantly.

Consumption means using goods and services to meet needs or wants. Investment, in the economic sense used throughout this book, generally means adding to productive capacity: building a workshop, installing equipment or developing software. Buying an existing company’s shares is a financial investment for the buyer; it is not automatically new investment in the economy’s productive equipment.

These categories describe activities, not their moral importance. A paid meal enters accounts differently from a meal prepared at home, but both can nourish a person. The International Labour Organization includes paid and unpaid work within the care economy, recognising the activities through which people sustain one another across their lives. Source: ILO, Care economy.

Once we notice this, the question “How is the economy doing?” becomes richer. We want to know what is being produced, but also whether people can reach it, whether its quality is improving and whether producing it damages something we need.

Even a wealthy society faces limits. There are only so many hours in a day, so many trained electricians available this month and so much land near a railway station. A particular resource cannot always perform two incompatible jobs at the same time.

Economists call this condition scarcity. It does not mean that everything is desperately scarce or that all shortages are natural. A shortage may result from inadequate investment, discrimination, waste, conflict or rules that prevent resources from reaching people. Scarcity simply reminds us that choices have consequences because time and resources have alternative uses.

Suppose a community has a hall available for one evening. It could host a repair workshop or a music rehearsal. Choosing the workshop means giving up that evening’s rehearsal. The opportunity cost is the value of the best available alternative forgone. It is not necessarily a payment, and it is not the sum of every imaginable alternative.

This way of thinking is useful when money obscures what is being sacrificed. A “free” online service may require attention, data or exposure to advertising. An unpaid family task may take time that could otherwise be used for employment, rest or study. A government project may be funded by borrowing, but the construction still uses workers and materials that have other possible uses.

None of this tells us which option is best. That requires judging benefits, burdens, rights and priorities. It does make a decision more visible. We can ask who gains, what is given up, whether the alternative is realistic and whether the same result could be achieved with fewer resources.

There are also decisions that improve several things together. Repairing a faulty water system may reduce waste and save households time. Better scheduling may allow the hall to host both activities on different evenings. Economics studies trade-offs, but it also studies how knowledge and cooperation can relax them.

Consider a deliberately simplified example. Every figure is imaginary and expressed in the same currency units, which we will call CU.

A household buys bread for CU10. The bakery spends CU4 on flour and other ingredients bought from outside the bakery. The remaining CU6 is the value the bakery has added through its own activity. Suppose that CU6 consists of CU4 in employee pay and CU2 in gross operating surplus, before any subsequent interest or other property-income payments. For clarity, this example leaves out taxes, depreciation and several ordinary business expenses.

The baker has not created CU10 of new value on top of the CU4 already produced by suppliers. The bread contains that earlier value. Counting both the ingredients and the full bread sale as separate additions would count part of the same production twice.

Now imagine the ingredient supplier bought CU1 of inputs from a farmer and added CU3 through milling, packaging and transport. Along the chain, value added is CU1 at the farm, CU3 at the supplier and CU6 at the bakery: CU10 altogether, equal to the final bread sale in this simplified case.

This is a small introduction to the production accounts that appear in Chapter 7. National statisticians use value added to combine production without repeatedly counting intermediate purchases. GDP is one measure of this production; it is not a complete assessment of a society’s wellbeing. Source: IMF, Gross Domestic Product.

Meanwhile, the money moves on. The employee spends part of the wage on transport. The landlord pays for a repair. The bakery may retain its surplus for a new oven. One person’s expenditure becomes another person’s receipt, though the timing and destination differ.

The circular-flow model captures these connections among households, firms, government, finance and the rest of the world. Its value is to make interdependence visible. It should not be read as a promise that everything flows smoothly or that every receipt becomes immediate spending. Source: Reserve Bank of Australia, Circular Flow Model.

Some economic quantities describe what happens over time. Others describe what exists at a particular moment. Mixing them up produces surprisingly large misunderstandings.

Income is a flow: perhaps CU2,000 earned during a month. Wealth is a stock: the value of assets minus debts on a particular date. A household can have a relatively high monthly income but little accumulated wealth. Another may own a valuable home while having very little cash available for current bills.

The same distinction applies to a business. Sales during a year are a flow. Its machinery and outstanding debts at year-end are stocks. A company can report sales while customers have not yet paid. It can own useful assets yet struggle to meet a payment due tomorrow.

Production today also leaves a legacy. A bridge built this year may make future journeys easier. A poorly maintained bridge can become a future danger. Education takes time now and may expand what people can do later. Environmental damage can impose costs long after the transaction that caused it.

We therefore need two questions whenever we hear that economic activity has increased. What useful things did the activity provide? And what did it leave behind?

A town that sells its timber more quickly may receive more income this year. Whether it is becoming more prosperous also depends on forest regeneration, ownership, alternative livelihoods and damage to soil or water. We cannot settle those questions by looking at one total of sales.

The future enters the present through expectations as well. People undertake training because they expect their skills to be useful. Firms order equipment because they expect customers. Lenders extend credit because they expect repayment. Expectations can support worthwhile cooperation, but they can also be mistaken. This is why confidence matters and why it never replaces evidence.

Interdependence gives us access to far more knowledge and production than any one household could provide. It also means that a problem in one place may reach people who did not cause it.

Imagine a storm temporarily closes the only road serving a produce market. Deliveries fall. Shops draw down their stocks. Some buyers switch to other foods. Prices may rise, but the effect will depend on reserves, alternative routes, the duration of the disruption and the ability of households to substitute. A city with several routes may adjust differently from an isolated community.

This imaginary chain illustrates why an economic explanation needs a mechanism. “The storm caused higher prices” may be a useful beginning. A stronger explanation identifies what became harder to supply, what could be substituted and who bore the cost.

Some effects occur outside the buyer-seller agreement. A factory may pay for fuel while nearby residents bear part of the resulting air pollution. A person’s spending on an activity can therefore impose a cost on somebody who never agreed to the transaction. Economists call such effects externalities. Positive spillovers are possible too. Source: IMF, Externalities.

These connections complicate the idea that voluntary exchange alone settles whether an activity is beneficial. We must also consider those outside the contract, including future people who cannot attend today’s negotiations.

They explain why economic life involves institutions. Standards, contracts, public services, rights, associations and informal expectations influence how people cooperate and what happens when they disagree. A market needs more than buyers and sellers. People must be able to find one another, understand what is offered and have some basis for trusting the exchange.

A beginner can make real progress by following one familiar activity. Choose a bus ride, a meal or a message sent across the world. Ask what people and resources make it possible. Follow the payments. Notice the rules. Look for work that is essential but difficult to see.

Then ask how the benefits and costs are distributed. A cheaper bus fare may help a passenger, but somebody must still provide the vehicle, driver and maintenance. A higher selling price may help a farmer while making food harder to afford for a household that buys it. The same person may be both a producer and a consumer, so a change can affect them in several directions.

This does not mean that every policy is too complicated to judge. It means that good judgement starts by identifying the channels that matter. We do not need to trace every transaction on Earth. We need enough of the chain to understand the question in front of us.

We also need to distinguish explanation from approval. Explaining why a wage is low does not establish that it is fair. Explaining how a company earns a profit does not establish that every source of the profit is socially useful. Understanding a mechanism helps us decide what to preserve, repair or change.

By the end of this book, words such as inflation, productivity and exchange rate should connect to things you can picture. They will still have technical details, but they should no longer float above everyday life as if they belonged to a separate world.

The breakfast table is a place to begin, not a complete map. To understand why so many distant lives can meet there, we need to look at how their connections were built. The next chapter follows trade, industry, empire and the institutions that helped shape the world economy we inherited.

• The economy organises production, distribution and use; it includes more than money and paid business activity.
• Opportunity cost asks what the best realistic alternative would have provided.
• A flow covers a period, while a stock describes a position at a moment in time.
• Interdependence creates opportunities, obligations and channels through which problems can spread.

Production: Creating goods or providing services.

Consumption: Using goods and services.

Capital: Produced resources used in further production, such as equipment or buildings.

Opportunity cost: The value of the best alternative forgone.

Value added: Output value minus purchased intermediate inputs.

Externality: An effect on others that is not fully reflected in the relevant transaction.

• International Labour Organization — Care economy.
• International Monetary Fund — Gross Domestic Product.
• Reserve Bank of Australia — Circular Flow Model.
• International Monetary Fund — Externalities.

Book contents · Next · Chapter 2