At a consumer's optimal choice, the consumer chooses the combination of goods that equates the marginal rate of substitution and the price ratio

A bank's reserves

A) can be held as deposits with the Federal Reserve. B) are the sum of its excess and required reserves. C) can be held as cash in its vault. D) all of the above.

In general, the more parties there are to a negotiation, the more difficult it becomes to successfully reach an agreement with all parties

Indicate whether the statement is true or false