Market forces
Calculations
Elasticities
Factors of demand
Factors of supply
100

Definition: how much consumers are able and willing to buy a good or service in a given time

Demand

100
If the quantiy were 80, but then increased to 90, calculate the percentage change

12.5%

100

Refers to the responsiveness of demand to a change in the price

PED

100

Refers to goods that may replace each other because they have similar funcitons

Substitutes

100

A fall in production cost will cause

An increase in supply

200

How much producers are able and willing to sell a good in a given time

Supply

200

If the price for a good were 20, then it fell to 18, what is the percentage change in price?

-10%

200

Refers to the responsiveness of supply in response to a change in price

PES

200

How will the demand for rice in dongguan change if more people move to dongguan

Demand increase (shifts right)

200

Improved technology typically

Increases supply

300

Refers to a situation when the quantity supplied is greater than the quantity demanded

Excess supply

300

If incomes in Dongguan rose by 1.8% and this caused a 2% decrease in the demand for a good, what is the YED for that good?

-1.11

300

Refers to the responsiveness of demand in response to a change in income

YED

300

An increase in demand will cause what change to price and quantity

Price increase, Quantity increase

300

Supply for agricultural products tends to be more

Inelastic

400

What will happen to the market price if there is excess demand

Price will increase

400

If the price of a good fell by 20% and the demand as a result rose by 30%, what is the PED for that good?

-1.5

400
PES is elastic if?

It is greater than 1

400

Demand will increase for an inferior good if

Incomes fall

400

Supply cannot increase much if there is no

Spare capacity

500

What do we call the price at which quantity demanded equals quantity supplied

Market equilibrium price

500

If the Ped for a good is -0.8 and the price of that good rose by 15%, how much will the quantity demanded change as a result?

-12%

500

A good is a normal good if

It's YED is greater than 0 (or its demand increases as income rises)

500

If the price of a complement increases, the demand for the other good will

Fall (shift left)

500

If a good is difficult to store cheaply then it will be

Inelastic

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