What it means
Social science covers a family of subjects that try to explain human behaviour in a systematic way. Economics looks at how people use scarce resources, psychology at how minds work, sociology at groups and institutions, and political science at power and government.
Researchers use surveys, experiments, statistics and case studies to test their ideas. Economics is the branch most familiar to finance professionals.
Its models of supply and demand, interest rates and growth shape how companies price, borrow and invest. But economics alone cannot explain why people sometimes act against their own interests, and that is where the other disciplines help.
Behavioural finance is the clearest meeting point of the two. It combines psychology and economics to explain patterns such as overconfidence, herd behaviour and the tendency to hold losing investments for too long.
Knowing these habits helps managers design better incentives, savings plans and communication to customers. Social science also shapes business decisions outside finance.
Marketing teams use psychology to understand buyers, human resources use sociology to study teams and culture, and risk managers use political science to judge country risk. The methods used in these fields, including sampling and survey design, help companies avoid costly assumptions.
There are limits to what social science can offer. Human behaviour varies across cultures and time, experiments are hard to repeat, and statistical relationships may not show cause and effect.
A sensible manager treats findings as guidance and tests them against local evidence. For a non-finance reader, the main lesson is that numbers do not speak for themselves.
Behind every price, budget and forecast are people with habits, fears and incentives. Understanding them is a practical business skill and not just an academic exercise.
In practice
Real-world examples.
Example
A retailer notices that customers buy more when a product is shown with a slightly higher-priced alternative beside it. The pricing team uses this psychological effect when setting its displays. Sales of the mid-priced model rise noticeably, and the average basket value goes up with them. The team keeps testing small changes to see which ones last.
Example
A pension provider finds that most employees never change the default savings rate. It sets the default at a higher level and allows people to opt out. Participation and contributions both go up, and few members choose to opt out. The provider reports the change to its trustees as evidence that good design beats reminders.
Example
A multinational firm studies the culture of a country before opening an office there. It adapts its hiring methods, its meeting style and its approach to feedback after speaking with local advisers. Staff turnover in the new office stays low, and the local managers say the induction felt natural. The lessons are then recorded for the next overseas launch.
Case study
Seen in the real world.
Calloway Savings Society is an illustrative, fictional mutual that struggled to persuade members to save regularly. Leaflets and reminder emails produced very little change.
The marketing director drew on research from psychology and behavioural economics and asked members to commit to a small monthly amount linked to a personal goal, such as a holiday or a child's education. The society also moved the sign-up step to the first page of its application and made the default choice a regular monthly saving.
Within a year, monthly savings deposits rose by 22% and the number of members with an active savings plan doubled, which also reduced the society's reliance on more expensive wholesale funding. The illustrative lesson is that understanding how people actually behave can achieve more than giving them more information. The society now tests every new customer message on a small group before sending it to all members.
Watch out
Common mistakes.
- Assuming that people always make rational decisions based purely on the numbers, when emotion, habit and social pressure play a large part.
- Treating one study, in one country, as a rule that applies everywhere, when culture and law may change the result.
- Confusing correlation, where two things move together, with causation, where one causes the other, which leads to costly decisions based on coincidence.
Questions
People also ask.
Is economics a social science?
Yes, economics is one of the main social sciences, studying how people and societies use scarce resources, and it is the one finance professionals meet first.
How does social science help in business?
It helps firms understand customers, staff and markets, which improves pricing, hiring, communication and risk judgement. Managers who ask why people behave as they do usually decide better than those who only read the figures.
What is the difference between social science and natural science?
Natural science studies the physical world through repeatable experiments, while social science studies people, whose behaviour is more variable and harder to test.
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