Unemployment that is caused by a mismatch of the demand for workers with certain skills and the skills of unemployed workers is:

When we keep part of our wealth in a bank checking account, we are using money as a ________ because ________

A) store of value; we are holding the money to exchange for goods at a later time B) medium of exchange; we are holding the money to gain interest earned C) barter token; we are holding the money to exchange for goods at a later time D) unit of account; we are holding the money to exchange for goods at a later time E) unit of currency; we have agreed upon the value of the money with bank

In the above figure, what is the efficient quantity of hot dogs to produce?

A) 2 thousand per day B) 4 thousand per day C) 6 thousand per day D) The efficient quantity cannot be determined without knowing the PPF for this economy.