Examlex
If length denotes the length of a nonnull string, then length - 1 gives the index of the last character in the string.
Demand Curves
A graphical representation showing the relationship between the price of a good or service and the quantity demanded by consumers, typically downward sloping.
Purchasing Power
The quantity of goods or services that a person or entity can buy with a given amount of currency.
Income Effect
Income Effect describes how a change in an individual's income affects their purchasing behavior, impacting the quantity of goods and services they can afford.
Price Change
A variation in the cost of a good or service over time in a market.
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