this searching is unnecessary with money the set of assets that people regularly use to buy good and service from other people
money market mutal funds
few minor categories
the use of borrowed funds to supplement existing funds for investment purposed
commodity money fiat money
in the short run firms without menu cost can raise their price immediately
firms with menu cost wait to raise price meanwhile,their prices are relatively low
most people would have to spend time searching for
others to trade with huge waste of resource