What worsens adverse selection in a dental insurance market where buyers have private information?

Which of the following best describes a fractional reserve banking system? a. a banking system in which a large portion of the bank's assets are digital money rather than bills and coins. b. a banking system in which banks keep a portion of deposits on hand to satisfy their customer's demands for withdrawals. c. a banking system in which banks have only partial control over the interest rates they charge on loans. d. a banking system in which net worth is calculated by subtracting a fraction of liabilities from assets. 2b2t

At which stage would you introduce your product to the market at large? a. development stage b. market testing stage c. commercialization stage d. ideation stage

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?