The principle of diminishing marginal utility explains the slope of the demand curve by letting us be able to see which direction the slope is in, which is always downward.
as we move down on the demand curve, marginal utility of a commodity starts declining bcoz of the law of diminishing marginal utility.after getting full satisfaction from a commodity both demand and marginal utility of that commodity decreases.
Marginal utility is the key concept underline demand .The height of a demand curve reflects marginal utility.The marginal utility curve resembles the demand curve. So, it is through the marginal utility we get the demand curve.
An aggregate demand curve is derived from the principle of diminishing marginal utility and it shows the amount of a good (or service) consumers would buy at different prices over some time period. Diminishing marginal utility implies that as the number of units consumed increases, the willingness to pay for additional units of that good (i.e., marginal WTP, MWTP) goes down.
Diminishing marginal utility implies that, for each unit of production consumed, utility is increasing at a decreasing rate. Therefore, a consumer's greatest utility gain is always at the first unit of a good and then steadily falls to 0 as they approach infinity. A consumer's willingness to pay for a good depends on their expected utility gain, so as quantity approaches infinity, willingness-to-pay approaches 0 at a diminishing, negative rate.
The principle of diminishing marginal utility explains the slope of the demand curve by letting us be able to see which direction the slope is in, which is always downward.
as we move down on the demand curve, marginal utility of a commodity starts declining bcoz of the law of diminishing marginal utility.after getting full satisfaction from a commodity both demand and marginal utility of that commodity decreases.
Marginal utility is the key concept underline demand .The height of a demand curve reflects marginal utility.The marginal utility curve resembles the demand curve. So, it is through the marginal utility we get the demand curve.
An aggregate demand curve is derived from the principle of diminishing marginal utility and it shows the amount of a good (or service) consumers would buy at different prices over some time period. Diminishing marginal utility implies that as the number of units consumed increases, the willingness to pay for additional units of that good (i.e., marginal WTP, MWTP) goes down.
Diminishing marginal utility implies that, for each unit of production consumed, utility is increasing at a decreasing rate. Therefore, a consumer's greatest utility gain is always at the first unit of a good and then steadily falls to 0 as they approach infinity. A consumer's willingness to pay for a good depends on their expected utility gain, so as quantity approaches infinity, willingness-to-pay approaches 0 at a diminishing, negative rate.
The demand curve is negatively sloped because it is based on the principle of marginal utility and this utility decreases as consumption increases. The demand price which depends on the marginal utility of a good also declines as consumption increases, so quantity and price are inversely related, leading to the negative curve and the law of demand.
The short answer would be supply and demand. As demand for the firms increase, they will experience increasing returns. Likewise, as demand decreases, so do their returns.
how is a demand curve derived from individual demand curve ?
substitution diminishing marginual utility income
There is a close relationship between the marginal utility and price of a commodity.The additional satisfaction from the consumption of an additional unit of the commodity is called marginal utilty. Price means the value of the goods expressed in the terms of money.Price of all units of he same goods of consumption are more or less identical.It means that the consumer pays the same price for all the units of the same goods of consumption. But marginal utility of the goods of consumption start diminishing as the consumer increase the units of consumption of the commodity.Therefore the consumer will like to pay that price for the commodity,which is equal to the marginal utility he gets from the commodity.If the price of the commodity are higher than the marginal utility he derives from the commodity he will not like to purchase the commodity. In this way there is a clod\se relation between the marginal utility and the price of the commodity.
People only need so much of one thing. The lower the price the more demand you will have for the product, until the customer does not want anymore. At that time it will not matter what the price is, they will not purchase any more.
B. Demand curve slopes downward. If apple #3 doesn't give you as much satisfaction (or utility) as apple #2, your demand for apples goes down before you hit apple #4.