Is it rational to buy more of something if the price goes up? Why or Why Not?

what does this mean in terms of the interrelationship of supply, price, and demand on two items of your choice. Maybe it’s a Christmas that a child really wants but that most stores no longer have in stock. Or it might be a piece of clothing that you bought last year and now want to replace it but which is hard to find or twice as expensive as what it was last year.

For most goods if a consumer's income increases his demand for the goods will do what?

Soup is an inferior good if the demand

What if buyers in the market were to Decrease?

If butter is the product, what happens when the price of magarine goes up?

Why is it important to set prices correctly?