Most businesses advertise their products and services. Some business use SPAM emails to advertise because the cost of a mass e-mail is close to zero. Other business spend millions of dollars to advertise in a 30-second spot during the Super Bowl. Having observed this real world data, economists argue that the amount of money that a business spends on advertising is a proxy for a good or service's a. size.
b. quality.
c. newness.
d. cost of production.

Select the correct answer. after the 2008 recession, the amount of reserves in the us banking system increased. because of federal reserve actions, required reserves increased from $44 billion to $60 billion. however, banks started holding more reserves than required. by january 2009, banks were holding $900 billion in excess reserves. the federal reserve started paying interest on the excess reserves that the banks held. what possible impact will these unused reserves have on the economy? a. the interest rate on loans will fall. b. people will demand more foreign goods. c. people will start borrowing more money. d. the economy will face inflation. e. foreign investments will increase.