If the marginal propensity to save is 0.2 in an economy, a $20 billion rise in investment spending will increase: A) GDP by $120 billion.
B) saving by $25 billion.
C) GDP by $20 billion.
D) consumption by $80 billion

In three to four sentences, explain the effect of a price ceiling on the quantity of a good and who this intervention intends to assist

Cindy recently played in a softball game in which she misplayed a ground ball for an error. later, in the same game, she made a great catch on a very difficult play. according to the self-serving bias, she would attribute her error to and her good catch to her

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?