EMS THEORY EXAM 12 JUNE
PRICE THEORY (Supply & Demand)
KEYWORDS
Law of Demand Number /Amount of something
Profit Difference between total income & total
expenditure of income exceeds expenditure
Point of balance/equilibrium Point where supply & demand intersect
Cateris-paribus All other things the same
Supply Quantity of product or service which produces
is prepared to offer at specific price.
Inversely related One part goes up other part goes down
LAW OF DEMAND
• Consumers – buy more of product when price drops and less when price rises.
• Lower the price – higher the demand for the product or service.
• Higher the price – lower the demand for product or service.
• Law states – demand for products & services is inversely related. Meaning –
as one part goes up (price) other part (demand) goes down.
TWO TYPES OF DEMANDS
Individual Demand Quantity of goods & services a person prepared to buy
at given price
Market Demand Total quantity – goods & services purchased by entire
market at given price
FACTORS AFFECTING DEMAND:
Change in Income Consumer income increase – so does their purchasing
Change in Fashion changes – interest of consumers change + their
tendency/fashion purchasing habits
Advertisements Good publicity – influence consumer demand
DEMAND SCHEDULE:
• Table – indicates cateris-paribus – quantity of goods / services demanded
during given period @ different prices.
1. Law of Demand: Price rises, quantity demand drops.
2. Quantity Demand: When price is cheaper, consumer purchases more
1
, 3. Demand: Demand present in quantity demand column.
Graphic representation of demand curve:
Demand
Price
D
Quantity
• Demand Curve – indicates ratio between price + quantity demand.
• Curve – declines from left to right
• Negative decline – result of inverse ration between price & quantity
demanded.
Change in demand:
• Level of consumer income rises – enable consumers to purchase more
goods/services resulting in rise of demand for products & services.
Price
D2
D
D3
Quantity
Rise in demand for goods/services occurs due to:
1. Rise in consumer income
2. Rise in size of population
3. Climate change
Decline in demand for goods/services
1. Decline in consumer income
2. Decline size of population
3. Change in consumer market
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller yaugousti1980. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R133,33. You're not tied to anything after your purchase.