Bass Watches Inc. initially spent eight man-hours to assemble a wrist watch. But as the production doubled, the number of hours spent on assembling a watch reduced by 20 percent. This increase in productivity reduced the company's cost per unit. What is this phenomenon referred to as

Zara, a global retail and apparel manufacturer based in spain that has successfully implemented this idea by having a continuous flow of new products that are typically limited in supply. zara has created a system that draws its clientèle into its stores, on average, 17 times per year as compared to 4 times per year for most stores. how is zara using it to gain competitive advantage? what specific technologies are used by zara to maintain this advantage over its competition?