In an economy, the value of inventories fell from $75 billion in 2008 to $63 billion in
2009. In calculating total investment for 2009 compared to 2008, national income
accountants would:
A. decrease it by $75 billion.
B. increase it by $63 billion.
C. decrease it by $12 billion.
D. increase it by $138 billion.
In which instances will total revenues decline?
A. Price rises and Ed equals 0.41.
B. Price rises and demand is of unit elasticity.
C. Price falls and demand is elastic.
D. Price rises and Ed equals 2.47.
The kinked demand model of noncollusive oligopoly assumes that:
A. rivals will ignore price increases and match price cuts.
B. each firm is a least-cost producer of the product.
C. marginal revenue is greater than marginal cost at the kink.