Answer:
Feldman designed a beautiful economic experiment.
Explanation:
he Microeconomics Theory is a branch of economic science that aims, among other things, to understand the behavior of economic agents: consumers and firms.
From the description of the text, what Feldman did was just that. He developed a methodology capable of analyzing the behavior of firms in certain circumstances. Thus, this can be considered a good economic experiment, since from this can be made inferences that can give the government the basis to take regulatory measures to combat the inappropriate behavior of opportunistic firms.
illustrator
Illustrators. By definition, illustrators demonstrate the verbal messages they accompany. Waving a hand to say "hello" is an example of an illustrator. Illustrators are also used to communicate dimensions or direction. When asked to describe the length or width of an object, a person might hold out her hands or separate her thumb and forefinger to illustrate the measurement.
Wait ... what’s actually the question you’re asking ?
What one? i don’t see anything