In statistical terminology, a price index in which quality alterations of the products covered are included. Computers are often cited as an example here. A standard PC today is a completely different product than it was five years ago: a larger hard disk and memory, a faster processor, lower power consumption and other improvements. – See deflation.
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University Professor Dr. Gerhard Merk, Dipl.rer.pol., Dipl.rer.oec.
Professor Dr. Eckehard Krah, Dipl.rer.pol.
E-mail address: info@ekrah.com
https://de.wikipedia.org/wiki/Gerhard_Ernst_Merk
https://www.jung-stilling-gesellschaft.de/merk/
https://www.gerhardmerk.de/