Distinguish between the meaning of the expressions "change in demand" and "change in the quantity demanded"

answer should base on micro economics

Answer:
A change in demand indicates that a change in the entire demand curve has caused the curve to shift to a different level. For example, say butter has just been proven to cause brain erosion (assume this is a bad thing). Then, the demand for butter will decrease, since people will want less of it at the current price and all other prices.

A change in quantity demanded does not involve shifting the demand curve. Instead, it is a movement along the demand curve to a different price and quantity. But it continues to be the same demand curve. This could result from a change in supply that will change the equilibrium points.

Hope this helps.
More Questions and Answers:
  • Does prohibition of drugs produce a positive of negative affect?
  • What is the GDP of China and how does it compare with the US? Last 10 years versus today versus next 10 years?
  • In 2003, Sweden voted against adoption of the Euro currency. Were they right to do this?
  • socialized medicine?
  • something worth knowing? and a free cookie.?
  • Life expectency problem...?
  • why did presi.. Roosevelt establish social security?
  • what is the purpose of a balanced budget amendment?
  • what are the basic demographic features of india?