Question

In conducting their research, economists often substitute historical events and historical episodes for

a.theories and observations.
b.laboratory experiments.
c.models.
d.assumptions.

Answer 1

b. laboratory experiments.

Step-by-step explanation:

Laboratory experiments -

It refers to the practice of an experiment in a appropriate and controlled condition , is referred to as the laboratory experiments .

In this case , the experiment involve some standard conditions , which are necessary for the experiment to occur .

Hence , from the given information of the question,

The correct option is laboratory experiments.