The price of technetium gone down because the production can be high and the preparation procedures were improved.

Improved wages was the main effect of the Nazi economic policies due to the fact that sales had increased from 1934 to 1938 and the improved wages but the rising prices of food were negating the improved wages but the other effects were as important as the improved wages such as the falling unemployment, working conditions and the price rises.

Skil power tools have the best price/quality ratio

There are many ways bar codes have improved society. What is arguably the best example is the use of bar codes and scanners at store checkout counters to quickly and accurately price items to speed checkout.

Improved coordination to increase total supply chain profits

Extraction of surplus through price discrimination