Quality bias

Faster computers with enhanced performance require greater memory and more expensive support software.

Quality bias is most often seen in a negative manner in the cases of mature products as companies lower their acceptance standards in order to increase their profit margins.

There is no effective measure for declining quality, unfortunately, which is why some nations such as Germany and Japan have developed very meticulous standards for nearly everything, including services.

Makers of price indexes can address the quality bias problem with several steps.

The main approach is to use hedonic index methods to capture attributes of products and their implicit prices:[1][2]