If a perfectly competitive firm sells 50 units of output at a market price of $10 per unit, its marginal revenue is:

If the Federal Reserve buys $3 billion worth of Japanese yen, $6 billion of euros, and sells $5 billion of British pounds, how does this affect the balance of payments?

A) Falls by $4 billion B) Rises by $4 billion C) Rises by $9 billion D) Falls by $5 billion

Members of the Board of Governors serve

A) fourteen year terms. B) four-year terms. C) at the discretion of the Federal Reserve Chairman. D) at the discretion of the President of the United States.