The real-balances, interest-rate and foreign purchases effects all explain
a) why the aggregate supply curve is up-sloping?
b) shifts in the aggregate demand curve.
c) why the aggregate demand curve is down-sloping?
d) shifts in the aggregate supply curve.

The revenues of a company increased by 39% in year one and decreased 22% in year two. what is the overall change over the two-year period?

Hanna intends to give her granddaughter, melodee, her antique hat pin. this heirloom has been kept under lock and key in the wall vault in the library of hanna's house in virginia. the hat pin is currently the only item in the vault. when hanna is visiting melodee in connecticut, hanna gives melodee the only key to the vault. melodee is grateful for the present and excitedly accepts. in this situation has there been a completed gift?

Adrawback of short-term contracting as an alternative to making a component in-house is thata. it is the most-integrated alternative to performing an activity so the principal company has no control over the agent. b. the supplying firm has no incentive to make any transaction-specific investments to increase performance or quality. c. it fails to allow a long planning period that individual market transactions provide. d. the buying firm cannot demand lower prices due to the lack of a competitive bidding process.