Economists face an obstacle that many other scientists do not face. What is that obstacle? A: It is often difficult to formulate theories in economics. B: It is often difficult and sometimes impossible to perform experiments in economics. C: Economics cannot be addressed objectively; it must be addressed subjectively. D: The scientific method cannot be applied to the study of economics.

（）one of the subjects that appeal to many university students. A: Economics is B: Economice is C: Economics are D: Economics have been

If there were no resource scarcity, there would be no economics.

Which of the following statements best describes the study of economics? Economics studies how

Economic geography is a marginal discipline among Geography, and Economics.

A．Biology.B．Economics.C．Geography.D．Computer. A: Biology. B: Economics. C: Geography. D: Computer.

Which of the following definitions is proper? A: Economics is the study of the economy. B: Economics is a science of the production and distribution of goods.

Economics is best defined as the study of

中国大学MOOC: Economics is the study of

In order to gather material for my thesis, I had to __________ dozens of old books on economics.