Answer:
It will Decreases U.S. real GDP and on the other way round it will increases the well-being of a typical working person in the U.S.
Step-by-step explanation:
The impact of the decline in working hours is that it will Decreases U.S. real GDP and on the other way round it will definitely lead to increase in the well-being of a typical working person in the U.S. because of the decline in the U.S work week which was formally 60 hours in the 1980 but now 40 hours today because a typical working person will have more time for him/her and the stress involved in working for 60 hours per week will reduce when compared with working for 40 hours per week because a typical working person in the U.S will preferred to work for 40 hours per week than 60hours per week for the betterment of their well being.