a. choose Between true or false ( ) or () in the following expressions, and explaining your choice .

1. The scientist Joseph Schumpeter attaches great importance to the worker, describing him as a person who enjoys advantages that are rarely available to many, which makes his presence a rare thing in society.

2. The Mercantile stage is called the directed economy stage.

3. Economic need is characterized by only two characteristics, namely, its saturation and measurement capacity.

4. Some economists have tended to rely on the demand side in explaining value, believing that it is determined by only one factor, which is utility.

5. Microeconomics examines the economic behavior of society as a whole in terms of consumption and investment