The opportunity cost of money holdings is
a. the alternative interest income foregone from not holding some other asset.
b. the reduction in purchasing power brought on by deflation.
c. the liquidity foregone from not holding some other asset.
d. all of the above.

Acrosswalk_when there are no pavement markings.

Why is efficiency an important economic goal?

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.