The expenses involved in actually putting together and executing a deal are called transactions costs. a. False b. True The marginal propensity to consume is the percentage of a household's income that is used to pay income tax. a. True b. False To make it easier for S\&Ls to compete with banks in the late 1970s, Congress allowed the thrifts to undertake riskier investments in addition to home mortgages. a. False. b. True