Before, mail had to be sent and delivered physically/by hand.
However, with the advancement of technology, one can simply send and receive messages and mail at a computer.
Mark Keppel High School:
Increase or decrease of supply project for Mr.Tom's first period Economics class due on February 13, 2018.
As seen in this image, mail can be sent directly online. They replace the time and labor that is needed to send out traditional mail, therefore sending more mail out in general. Technology shifts the supply curve right.
Best, Jamie Chau
One burger shop opens in town.
Burger shops start popping up across town, increasing the amount of burgers made in town.
With the amount of burger shops increasing, the supply of burgers is increasing. An increase in number of supplies shifts the curve right.