Demand

  • Demand is desire.
  • Demand is economics means both the willingness as well as the ability to purchase a commodity.

Law of demand

  • The law of demand states that the quantity demanded of a good or service decreases as it price increases and conversely, the quantity demand increases when the price decreases

Assumptions

  • Income of people remain unchanged
  • Taste, preference and habits of consumer unchanged.
  • Prices of related goods i.e. substitute and complementary goods remain unchanged.
  • There is no expectation of future change in price of commodity— The commodity in question is not consumed for its prestige value.