What does the speaker suggest is the cause of the decline in happiness that has occurred in the U.S. since the 1950s? Group of answer choices The 'treadmill' of work, watch TV, and shop Stagnant wages The increased cost of living Environmental degredationWhich of the following are examples of externalizing the cost of a product? Group of answer choices Making employees pay for their own health insurance Moving factories to third world countries Polluting the air and water during production All of these