This article talks about how the US economy has grown by 3.6 percent in the third quarter of 2013, and how stockpiles account for a vast majority of this grow.
This relates to scarcity. It talks about how the demand of water will probably grow larger within a few years and how the supply of water is scarce at the moment.
The following article is about the high demand of the recently founded company Raspberry Pi which has begun creating single board computers, which is basically just the "heart" of the computer. They produce their computer chips at an incredibly low price of only 20 pounds per unit and have now sold over 1 million units do to large demand of the cheap processor. Due to its low and affordable cost it has become immensely popular and is predicted to grow even more over the next few years.
The following article talks about how China has loosened its one baby policy, in order to face the growing problem of a rapidly aging population and slowing economic growth. However many young couples are not taking advantage of this new policy due to the rapidly rising costs of living in China.