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You can start a yard sale, you could set up a lemonade stand, you could make a food stand, sell things online as in Craigslist(: and you could do chores
Demand could be the answer, so what factors could affect the demand to increase or decrease.
Higher interest rates mean that the demand for cars have increased, due to an increase in consumer demand. Lower interest rates mean that there is a lower demand and the FOMC is lowering the rates to increase consumer demand. Lower rates, however could also increase the demand for cars. This is why the Feds have to higher the interest rates, to ensure that the supply and demand are at an equilibrium point.
A complementary good. Substitute and complementary goods are determined by cross elasticity of demands. A substitute good has positive cross elasticity: the mercantile characteristics of this good increase if the same characteristic of a different good decreases. If the only two drinks in the world were orange juice and apple juice and the price of orange juice went up (causing concomitant reduction in demand for it), the demand for apple juice would increase. A complementary good has negative cross elasticity: the mercantile characteristics increase if the same characteristic of the complementary good also increases. Maybe if the demand for salami increased the demand for bread would also increase because most people who buy salami eat it on sandwiches. Obviously these are both classroom theoreticals because a lot of things go into determining demand for an item...the demand for salami could increase without a concomitant increase in demand for bread because people have found salami makes a great salad ingredient, or the demand for peanut butter could increase without a similar increase in jelly demand if everyone makes peanut butter cookies.
Reduce friction or increase slope.
There could be many things said about elasticity of demand that are false, but there would be no point in making things up that are not true. This appears to have been taken from a multiple choice exam.
an increase in demand for the good. Such as a successful marketing campaign for the good.
People getting more money in Malaysia ergo they can afford a car.
Change in demand is subjective, it could be increase or decrease in the qauntity of good or services asked for, while change in quantity demand is objective, it refers to actual quantity/amount of good or seevices requested /demanded .
No
Babbysitter or a dog walker. You could always do the old things like lemonade stand or garage sale