Geena is testing an ad using the nine principles established by Positioning Advertising Copy Testing (PACT). When she isolates mall intercept participants and does not disclose what the interviews are about, she is trying to adhere to the seventh principle, which is to

Match each event to its effect on the equilibrium interest rate and the amount of investment in the loanable funds market. higher interest rate, greater investment higher interest rate, less investment lower interest rate, less investment lower interest rate, greater investment immediate consumer gratification is no longer preferred by people. an efficient new source of energy effectively increases the return on owning a factory. a wave of retirees stops working and begins drawing on retirement savings.