Answer:
The correct answers are:
B.) in value.
B.) Tariffs and import quotas generally reduce economic welfare.
Explanation:
In the first case, both economists disagree on a value issue.
One of them believes that government programs cause more harm than good, while the other believes that it helps the less fortunate, this is an example that the difference is in value, over whom the government helps.
Despite their differences, the proposition in wich this two economists are most likely to agree is Tariffs and import quotas generally reduce economic welfare.
Because both believe, at some point, that government participation in the economy is ineffective.
One believes that it is totally inefficient and another believes that it is only partially, therefore both would agree on this.