Explain law of demand with the help of a demand schedule and demand curve

Explain law of demand with the help of a demand schedule and demand curve. Does law of demand exist in the real world, explain with the help of an example

The law of demand is a fundamental economic principle that describes the relationship between the price of a good or service and the quantity demanded by consumers. It is a fundamental idea in microeconomics and is predicated on the idea that there are no other variables that affect customer behavior. Usually, a demand schedule and a demand curve are used to show the law of demand.

Explain law of demand with the help of a demand schedule and demand curve

A demand curve is a graphical depiction of this relationship, whereas a demand schedule is a table that indicates the quantity of an item or service that customers are willing and able to buy at various price points. The law of demand is reflected in both the demand schedule and the demand curve, which show an inverse or negative correlation between price and quantity demanded.

Consider a hypothetical demand schedule for smartphones:

Explain law of demand with the help of a demand schedule and demand curve

This demand schedule illustrates the law of demand: as the price of smartphones decreases, the quantity demanded increases, and vice versa. When plotted on a graph, these data points form a demand curve, typically sloping downward from left to right.

The law of demand exists in the real world and is observed across various markets and industries. One classic example is the market for gasoline. As the price of gasoline rises, consumers tend to reduce their quantity demanded due to the increased cost. Conversely, when gasoline prices fall, consumers are more likely to increase their demand for gasoline, perhaps by taking more road trips or using their vehicles more frequently.

Explain law of demand with the help of a demand schedule and demand curve-Consider a scenario where the price of gasoline is $4 per gallon, and consumers buy 100 million gallons. If the price decreases to $3 per gallon, the quantity demanded may increase to 150 million gallons. This real-world example aligns with the law of demand, demonstrating how changes in price influence consumer behavior.

Also Read-

Several factors contribute to the existence of the law of demand in the real world. One of the primary factors is the substitution effect. As the price of a good or service increases, consumers are more likely to seek cheaper alternatives. In the smartphone example, if the price of one brand's smartphone increases significantly, consumers may switch to a more affordable brand.

Additionally, the income effect plays a role in the law of demand. When prices rise, consumers effectively experience a reduction in their real income, assuming their nominal income remains constant. This reduction in real income may lead consumers to cut back on certain purchases or seek lower-priced alternatives. On the other hand, when prices fall, consumers may perceive an increase in their real income, leading to higher demand for goods and services.

Explain law of demand with the help of a demand schedule and demand curve-Moreover, the law of demand is influenced by the law of diminishing marginal utility. This law suggests that as consumers consume more of a good or service, the additional satisfaction or utility derived from each additional unit decreases. Consequently, consumers are less willing to pay higher prices for additional units, contributing to the negative slope of the demand curve.

In the real world, the law of demand is evident in various industries and consumer goods. For instance, the technology sector often experiences rapid changes in prices for electronic gadgets such as smartphones, laptops, and tablets. When new models are released, the older models often see price reductions, leading to an increase in demand as consumers find these products more affordable.


The law of demand is a foundational concept in economics that provides valuable insights into the dynamics of consumer behavior. The inverse relationship between the price of a good or service and the quantity demanded is consistently observed in the real world, shaping market interactions across diverse industries. The demand schedule and demand curve serve as effective tools for illustrating and understanding this principle, showcasing how changes in price impact consumer choices.

Real-world examples, such as the market for gasoline or the technology sector, highlight the practical significance of the law of demand. Consumers' responses to price fluctuations, driven by factors like the substitution effect, income effect, and diminishing marginal utility, underscore the relevance and universality of this economic principle. Policymakers, businesses, and individuals alike can benefit from a deep understanding of the law of demand to make informed decisions in the dynamic landscape of supply and demand.

As economies evolve and markets adapt to changing conditions, the law of demand remains a constant and reliable guide for predicting and interpreting consumer behavior. Its enduring presence underscores its importance as a cornerstone in economic theory and practice.


Does the law of demand always hold true?

While the law of demand is a robust and widely observed economic principle, there can be exceptions. In certain cases, factors like Veblen goods (goods that people desire more as their price rises) or Giffen goods (goods for which demand increases as the price rises, typically due to income effects) may deviate from the typical negative slope. However, such cases are relatively rare and often involve unique circumstances.

How does elasticity relate to the law of demand?

Elasticity measures the responsiveness of quantity demanded to changes in price. If a good is elastic, a small change in price leads to a proportionally larger change in quantity demanded, and vice versa for inelastic goods. The law of demand holds true, but elasticity provides a more nuanced understanding of how sensitive consumers are to price changes.

Can external factors affect the law of demand?

External factors, such as changes in consumer preferences, advertising, or government policies, can influence the law of demand. For example, a successful marketing campaign may increase the perceived value of a product, affecting its demand. Government subsidies or taxes can also impact prices, altering the quantity demanded.

Is the law of demand applicable in both developed and developing economies?

Yes, the law of demand is applicable in both developed and developing economies. However, the magnitude of the response to price changes may vary based on factors like income levels, cultural preferences, and market structures. The basic principle of an inverse relationship between price and quantity demanded remains applicable globally.

How does the law of demand contribute to pricing strategies in businesses?

Businesses often use an understanding of the law of demand to formulate pricing strategies. They may implement dynamic pricing, adjusting prices based on demand fluctuations, or engage in price discrimination to cater to different consumer segments. Additionally, knowledge of elasticity helps businesses anticipate consumer reactions to price changes.



Note: Only a member of this blog may post a comment.