What is grad school i want To know

What is a sort of auction for stocks in which traders verbally submit their offers?

When a shortage or a surplus arises in the loanable funds market a. the supply of loanable funds changes to return the economy to its original real interest rate b. the nominal interest rate is pulled to the new equilibrium level c. the demand for loanable funds changes to return the economy to its original real interest rate d. the real interest rate is pulled to the new equilibrium level

The purchasing agent for a company that assembles and sells air-conditioning equipment in a latin american country noted that the cost of compressors has increased significantly each time they have been reordered. the company uses an eoq model to determine order size. what are the implications of this price escalation with respect to order size? what factors other than price must be taken into consideration?