Even if our techniques allow us to accurately measure consumers’ valuation of the increased speed and power of the new generation of computer, we may miss the negative influence on some consumers of this incompatibility.
Therefore, even in the case of personal computers, where we BIS Review 1/1998  -6-  have made such great strides in measuring quality changes, I suspect that important phenomena still may not be adequately captured by our published price indexes. Despite the advances in price measurement that have been made over the years, there remains considerable room for improvement.