Supply and Demand Paper

Supply and Demand Paper
The topic that I chose for this paper is computers.   The reason for choosing this topic is because there are different types of computers out there and the prices of these computers change on a daily, weekly, or even a monthly basis.   The demand for computers is not as great as it used to be but people are still upgrading on a regular basis that if certain computers are not on the shelves then people will go to other places to make his or her purchases.  
The factors that I can think of that would cause a supply and demand with computers would be, company going out of business, not having the item in stock, unable to purchase this item online, and prices of this item going up.   All these factors take place since stores like Best Buy, Wal*Mart, Staples, etc. that would carry these types of products.   Without having the product in stock or available online it will force a person to go to another store to buy the product that he or she is looking for.   If a company was to go out of business then the demand for that product might go through the roof. I say this because without having a place to send a product back to one would not be willing to buy a product knowing that if something happens that there is nothing that can be done about it.   The person would be stuck with this product that does not work and no way of getting it fixed.   The other factor that I had mentioned was price.   This takes a huge factor since the prices of computers vary at different times.   The demand for computers goes up more when students go back to school.   Thus making stores up his or her prices on the computers that are being sold.   But prices also vary at different times of the year as well.   Just before Christmas or on black Fridays.   One would wither lower the prices or make it look like a good deal by taking so much off yet he or she has upped the price of the computer.  
The two substitutes that I can think of for a computer are blackberry phone or an...