Economics - 4EC1 PearsonEdexcel

Demand, Supply And Market Equilibrium

Muhtasari

Nobody sets the price of a banana at a market stall by committee. Buyers and sellers, each acting purely in their own interest, push the price up and down until it lands at the one figure where every buyer willing to pay finds a seller willing to sell, and every seller willing to sell finds a buyer. That self-correcting process is the heart of market economics.

In this lesson you will build the demand curve and the supply curve from first principles, learn the crucial difference between a movement along a curve and a shift of the whole curve, and put both curves together to find equilibrium price and quantity. You will also learn to identify and remove excess demand and excess supply, the two states a market falls into whenever price sits away from equilibrium.

Malengo

  1. Definition of demand
  2. The use of demand curve diagram to show changes in price causing movements along a demand curve, and shifts indicating increased and decreased demand
  3. Factors that may cause a shift in the demand curve, including advertising, income, fashion and tastes, price of substitute goods, price of complementary goods, demographic changes
  4. Definition of supply
  5. The use of supply curve diagram to show changes in price causing movements along a supply curve, and shifts indicating increased and decreased supply
  6. Factors that may cause a shift in the supply curve, including costs of production, changes in technology, indirect taxes, subsidies, natural factors (natural disasters and weather)
  7. Equilibrium price and quantity and how they are determined
  8. The use of diagrams to show how shifts in supply and demand affect equilibrium price and quantity in real-world situations, excess demand, excess supply
  9. Define, calculate and draw excess demand and excess supply
  10. The use of market forces to remove excess supply or excess demand

Maelezo ya Somo

Demand is the quantity of a good or service that consumers are willing and able to purchase at a given price over a given period of time. As price rises, quantity demanded falls; as price falls, quantity demanded rises. This is called an inverse (negative) relationship between price and quantity demanded, and it is what gives the demand curve its downward slope.

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Tathmini ya Somo

Hongera kwa kukamilisha somo la Demand, Supply And Market Equilibrium. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.

  1. The demand curve for a good slopes downward because: A) As price rises, quantity demanded rises B) As price falls, quantity demanded rises C) Price and quantity demanded are unrelated D) Supply always exceeds demand Answer: B
  2. A fall in the price of a good itself causes: A) A shift of the demand curve to the right B) A shift of the demand curve to the left C) A movement along the existing demand curve D) No change in quantity demanded Answer: C
  3. An increase in the price of a complementary good will cause the demand curve for this good to: A) Shift to the right B) Shift to the left C) Stay the same, with a movement along the curve D) Become vertical Answer: B
  4. At a given price, quantity supplied is 400 units and quantity demanded is 550 units. This situation is best described as: A) Equilibrium B) Excess supply of 150 units C) Excess demand of 150 units D) Excess demand of 400 units Answer: C
  5. Which of the following would shift the supply curve for a good to the left? A) A government subsidy to producers B) A fall in the cost of raw materials C) The introduction of a new indirect tax on the good D) An improvement in production technology Answer: C

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Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.

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Soma bila mtandao, wakati wowote, mahali popote
Inapatikana kwa Android, Windows, macOS, na Linux

Inapatikana kwenye programu ya Green Bridge

Pakua programu ya Green Bridge CBT kwenye simu yako au kompyuta yako ili kupata maelezo kamili ya masomo, maswali ya mazoezi, na mengi zaidi.

Maelezo kamili ya masomo yenye michoro
Msaidizi wa kujifunza wa AI
Soma bila mtandao, wakati wowote, mahali popote
Inapatikana kwa Android, Windows, macOS, na Linux

Fanya Mazoezi ya Maswali ya Majaribio

Ungependa kufanya mazoezi ya maswali ya majaribio kuhusu Demand, Supply And Market Equilibrium? Pakua programu ya Green Bridge CBT ili kupata maswali ya majaribio na tathmini kamili za mazoezi kuhusu mada hii.

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