Consider the market for Cellular Phones. Which of the following shifts the demand curve?

A) an increase in the price of cellular phones
B) a decrease in the price of cellular phones
C) an increase in the price of regular Phone service, a substitute for cellular phones
D) a decrease in the number of cellular phone buyers
E) an increase in the supply of cellular phones.

C

The Evolution of Cell Phone

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No Cell Phone Use Please Sign $3.99 This no cell phones sign gets your message across loud and clear! Let patrons and guests know that it’s time to put the phone away with this bold black and white sign. Get the message across politely when you hang it right in plain sight. Made of tough plastic with convenient strong self-adhesive backing, this no cell phone use sign is perfect for high traffic areas in businesses, bars, restaurant…

FLIP CELL PHONE Miscellaneous Candy Mold Chocolate $1.75 …

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Samsung – Case for cellular phone – genuine leather – Samsung SCH-A930 $1.88 …

8pc T6 T5 iPhone pentalobe, cross Opener Screwdriver Tool Kit for Opening BlackBerry Phones PDA MP3 Palm Treo Pocket PC Laptop iPhone Blackberry universal cell phone repair tool $0.01 8pc T6 T5 Opener Screwdriver Tool Kit for Opening BlackBerry Phones PDA MP3 Palm Treo Pocket PC Laptop Blackberry universal cell phone repair tool…

(9 Items Combo) Tool Repair Kit Precision Screw Driver Set Torx + Flat Head + Safe Plying Prying Pry Tool for Motorola $5.84 Item 1 – 7 : Magnetized tips precision torx screw driver. Sizes : T3, T4, T5, T6, T7, T8, T10. Durable with precision cut sizes to ensure you can get the job right like a professional. Support end (blue color ends) give you the ability to turn the screw driver and holding it still, and magnetized tips to hold the screws to avoid dropping the tiny parts. Use this kit to repair cell phones, laptops,…

(10 Items Combo) Tool Repair Kit Precision Screw Driver Set Torx + Flat Head + Safe Plying Prying Pry Tool for Motorola Verizon Sprint Att Cingular Razr Razorand More $10.90 Item 1 – 7 : Magnetized tips precision torx screw driver. Sizes : T3, T4, T5, T6, T7, T8, T10. Durable with precision cut sizes to ensure you can get the job right like a professional. Support end (blue color ends) give you the ability to turn the screw driver and holding it still, and magnetized tips to hold the screws to avoid dropping the tiny parts. Use this kit to repair cell phones, laptops,…

Cellular (New Line Platinum Series) $3.73 After getting a frantic call on his cell phone from a stranger claiming that she has been kidnapped, young Ryan is thrown into a world of treachery and lies. Fearing for the safety of her husband and son, the woman frantically struggles to figure out where she is with hopes that Ryan can lead the authorities to her. With his phone battery rapidly running out of power, can he find her before it’s t…