| A | B |
|---|
| Substitute | A good with similar prperties to another |
| Complements | Goods that go well together |
| Income | Individual earnings |
| Tastes and preferences | How fashionable an item is |
| Costs of factors of production | Rent, interest, wages, profit, raw materials |
| Weather | Can affect both supply and demand e.g. ice cream |
| Population | More people = more demand |
| Advertising | Can be informative or persuasive |
| Taxes | Government makes money from these |
| Subsidy | Government pays firms thus lowering costs |
| Technology | Improvements in capital stock leading to more efficiency |
| Other commodity prices | Suppliers may swtch production to more profitable lines |
