市场研究的研究方法有哪些？产业组织理论中的市场行为主要包括那两种市场行为？

A. 外移4mm
B. 内移4mm
C. 外移5mm
D. 内移5mm

A. 10%
B. 3%
C. 1%
D. 5%

A. The inner query always sorts the results of the outer query.
B. The outer query always sorts the results of the inner query.
C. The outer query must return a value to the inner query.
D. The inner query returns a value to the outer query.
E. The inner query must always return a value or the outer query will give an error.