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In what situation does the demand for a product increases and when does it reduce? mention the reasons for both

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تم إضافة السؤال من قبل padmakumar pathiyil , Marketing Consultant , Management Consultancy
تاريخ النشر: 2014/11/09
VENKITARAMAN KRISHNA MOORTHY VRINDAVAN
من قبل VENKITARAMAN KRISHNA MOORTHY VRINDAVAN , Project Execution Manager & Accounts Manager , ALI INTERNATIONAL TRADING EST.

In a Big normal market:

When the brand is well established and reaches the message of its matching to price quality relation: The demand go on increasing

When price-quality match turns to a mis-match:  The trend starts declining.

Ibrahim Hussein Mayaleh
من قبل Ibrahim Hussein Mayaleh , Sales & Business Consultant and Trainer , Self-employed

Too much to say about it, but from product life cycle perspective, I say, the demand increases in the introduction and growth phase, that's because the product is new and usually meets customer's needs, therefore customers will be looking for it.

At the end of the life cycle. the demand will decrease because the market has reached the saturation phase./

Vinod Jetley
من قبل Vinod Jetley , Assistant General Manager , State Bank of India

The price elasticity of demand measures the responsiveness of quantity demanded to a change in price, with all other factors held constant.

 

Definition

The price elasticity of demand, Ed is defined as the magnitude of:

(proportionate change in quantity demanded)/( proportionate change in price)

Since the quantity demanded decreases when the price increases, this ratio is negative; however, the absolute value usually is taken and Ed is reported as a positive number.

Because the calculation uses proportionate changes, the result is a unitless number and does not depend on the units in which the price and quantity are expressed.

As an example calculation, take the case in which a product's Ed is reported to be0.5. Then, if the price were to increase by10%, one would observe a decrease of approximately5% in quantity demanded.

In the above example, we used the word "approximately" because the exact result depends on whether the initial point or the final point is used in the calculation. This matters because for a linear demand curve the price elasticity varies as one moves along the curve. For small changes in price and quantity the difference between the two results often is negligible, but for large changes the difference may be more significant. To deal with this issue, one can define the arc price elasticity of demand. The arc elasticity uses the average of the initial and final quantities and the average of the initial and final prices when calculating the proportionate change in each. Mathematically, the arc price elasticity of demand is defined as:

 

[{Q2 - Q1}/{ ( Q1 + Q2 ) /2 }]/[{P2 - P1}/{( P1 + P2 ) /2}]

where

        Q1  =  Initial quantity         Q2  =  Final quantity         P1  =  Initial price         P2  =  Final price

 

Elastic versus Inelastic

E  >1 In this case, the quantity demanded is relatively elastic, meaning that a price change will cause an even larger change in quantity demanded. The case of Ed = infinity is referred to as perfectly elastic. In this theoretical case, the demand curve would be horizontal. For products having a high price elasticity of demand, a price increase will result in a revenue decrease since the revenue lost from the resulting decrease in quantity sold is more than the revenue gained from the price increase.

E  <1 In this case, the quantity demanded is relatively inelastic, meaning that a price change will cause less of a change in quantity demanded. The case of Ed =0 is referred to as perfectly inelastic. In this theoretical case, the demand curve would be vertical. For products whose quantity demanded is inelastic, a price increase will result in a revenue increase since the revenue lost by the relatively small decrease in quantity is less than the revenue gained from the higher price.

E  =1 In this case, the product is said to have unitary elasticity; small changes in price do not affect the total revenue.

 

Factors Affecting the Price Elasticity of Demand

 

  • Availability of substitutes: the more possible substitutes, the greater the elasticity. Note that the number of substitutes depends on how broadly one defines the product.
  • Degree of necessity or luxury: luxury products tend to have greater elasticity. Some products that initially have a low degree of necessity are habit forming and can become "necessities" to some consumers.
  • Proportion of the purchaser's budget consumed by the item: products that consume a large portion of the purchaser's budget tend to have greater elasticity.
  • Time period considered: elasticity tends to be greater over the long run because consumers have more time to adjust their behavoir.
  • Permanent or temporary price change: a one-day sale will elicit a different response than a permanent price decrease.
  • Price points: decreasing the price from $2.00 to $1.99 may elicit a greater response than decreasing it from $1.99 to $1.98.

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