Determinant of demand Demand increases or decreases? Drawing Population increases |(Buyers) Population decreases (Buyers) Increase in most peoples income

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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Determinant of demand Demand increases or decreases?
Drawing
Population increases
(Buyers)
Population decreases
(Buyers)
Increase in most peoples'
income
Decrease in most
peoples' income
Price of substitute
increases
Price of substitute
decreases
Price of complementary
good increases
Price of complementary
good decreases
Product becomes a
popular fad (change in
taste of buyers)
Product now out of
fashion (change in taste
of buyers)
There is an expectation
that the price of the
product will soon fall
There is a fear that the
economy will go into a
recession where many
firms will fail and
unemployment will
increase
Transcribed Image Text:Determinant of demand Demand increases or decreases? Drawing Population increases (Buyers) Population decreases (Buyers) Increase in most peoples' income Decrease in most peoples' income Price of substitute increases Price of substitute decreases Price of complementary good increases Price of complementary good decreases Product becomes a popular fad (change in taste of buyers) Product now out of fashion (change in taste of buyers) There is an expectation that the price of the product will soon fall There is a fear that the economy will go into a recession where many firms will fail and unemployment will increase
Expert Solution
Step 1

The Law of demand states that there is a negative relationship between the price of a good and its quantity demanded, ceteris paribus. In the Latin language, ceteris paribus means keeping other things constant. That is why when we plot the demand curve against price and quantity demanded, it is downward sloping (negatively sloped). But the law of demand is applicable when the ceteris paribus conditions are satisfied which are:

  1. price of its related goods is constant
  2. the consumer preference and taste is constant
  3. the consumer income 
  4. the expectation of price in future
  5. number of buyers

When the ceteris paribus condition hold, there is always movement along the demand curve. A new demand curve is derived when the ceteris paribus conditions are distorted which leads to a shift in the demand curve.

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