ABSTRACT
Everyone realizes that things cost less years ago. They even begrudgingly admit that things will cost more in the future. However, how it all works is a bit of a mystery. Measuring these changes in value seems somehow like black magic.
Everyone realizes that things cost less years ago. They even begrudgingly admit that things will cost more in the future. However, how it all works is a bit of a mystery. Measuring these changes in value seems somehow like black magic.