Which of the following transactions are included in gross domestic product,
and by how much does each raise GDP?
a. Smith pays a carpenter \(\$ 50,000\) to build a garage.
b. Smith purchases \(\$ 10,000\) worth of materials and builds himself a garage,
which is worth \(\$ 50,000\).
c. Smith goes to the woods, cuts down a tree, and uses the wood to build
himself a garage that is worth \(\$ 50,000\)
d. The Jones family sells its old house to the Reynolds family for \(\$
400,000\). The Joneses then buy a newly constructed house from a builder for
\(\$ 500,000\).
e. You purchase a used computer from a friend for \(\$ 200\).
f. Your university purchases a new mainframe computer from IBM, paying \(\$
25,000\).
g. You win \(\$ 100\) in an Atlantic City casino.
h. You make \(\$ 100\) in the stock market.
i. You sell a used economics textbook to your college bookstore for \(\$ 60\).
j. You buy a new economics textbook from your college bookstore for \(\$ 100\).