As a measure of competition in an industry, concentration ratios have several flaws.
One of these flaws is that concentration ratios
A) assume that all industries have low barriers to entry.
B) assume that a ratio less than 40 percent means an industry is perfectly competitive.
C) assume there are only four firms in an industry.
D) are calculated for the national market, even though competition in some industries is
mainly local.
Policies to promote growth by increasing saving and investment work through
A) decreasing the supply of loanable funds, lowering the interest rate, raising the level
of investment in physical capital.
B) increasing the supply of loanable funds, increasing the interest rate, raising the level
of investment in physical capital.
C) increasing the supply of loanable funds, lowering the interest rate, lowering the level
of investment in physical capital.
D) increasing the supply of loanable funds, lowering the interest rate, raising the level
of investment in physical capital.