Question 1

What is the law of demand in the context of the Edexcel IGCSE Economics syllabus?

Accepted Answer

The law of demand states that, ceteris paribus, as the price of a good or service decreases, the quantity demanded increases, and vice versa. This inverse relationship is a fundamental concept in the Edexcel IGCSE Economics syllabus, helping students understand consumer behavior in the market system.

Question 2

How does the law of supply differ from the law of demand in Economics?

Accepted Answer

While the law of demand indicates an inverse relationship between price and quantity demanded, the law of supply describes a direct relationship. According to the law of supply, as the price of a good or service increases, the quantity supplied also increases, assuming all other factors remain constant. This principle is crucial for understanding how producers respond to market changes in the Edexcel IGCSE Economics curriculum.

Question 3

What factors can cause a shift in the demand curve?

Accepted Answer

Several factors can cause the demand curve to shift, including changes in consumer income, preferences, prices of related goods (substitutes and complements), expectations of future prices, and demographic changes. These shifts are important for Edexcel IGCSE Economics students to analyze how external factors influence market demand beyond price changes.

Question 4

What is market equilibrium and how is it determined?

Accepted Answer

Market equilibrium occurs when the quantity demanded equals the quantity supplied at a particular price level, resulting in no excess supply or demand. It is determined at the intersection of the demand and supply curves. Understanding market equilibrium is essential for Edexcel IGCSE Economics students as it illustrates how markets naturally adjust to changes in demand and supply.

Question 5

How do changes in supply affect market equilibrium?

Accepted Answer

Changes in supply, such as shifts due to technological advancements or changes in production costs, can affect market equilibrium by altering the quantity supplied at each price level. An increase in supply typically leads to a lower equilibrium price and higher equilibrium quantity, while a decrease in supply results in a higher equilibrium price and lower equilibrium quantity. This concept helps Edexcel IGCSE Economics students understand the dynamic nature of markets.

Demand, Supply and Market Equilibrium

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