A country's current national savings and investment identity is expressed in algebraic terms as X-M = S + (G-T) - 1. In this instance: A. there is an inflow of capital investment from the rest of the world economy.
B. there is no connection from domestic savings and investment to the trade balance.
C. the trade balance is determined by performance of certain sectors of the economy.
D. private and public domestic savings are higher than domestic investment.

Many potential buyers value high-quality used cars at the full-information market price of € p1 and lemons at € p2. a limited number of potential sellers value high-quality cars at € v1 ≤ p1 and lemons at € v2 ≤ p2. everyone is risk neutral. the share of lemons among all the used cars that might be potentially sold is € θ . suppose that the buyers incur a transaction cost of $200 to purchase a car. this transaction cost is the value of their time to find a car. what is the equilibrium? is it possible that no cars are sold