Which of the following is usually a durable good?

The illegality of organ sales from willing donors to willing recipients is ineffective because:

a. It encourages organ sales b. It discourages wealth creating transactions through the threat of heavy penalty c. It encourages government intervention d. None of the above

If a good is inferior and its price decreases,

a. the income effect will be positive and the substitution effect will be positive. b. the income effect will be negative and the substitution effect will be negative. c. the income effect will be positive and the substitution effect will be negative. d. the income effect will be negative and the substitution effect will be positive.