【单选题】An analysis of company financial records shows that in every year that the company increased its advertising expenditures, sales increased. What can you say about the relationship between the two fac...
A.
Advertising expenditure and sales exhibited concomitant variation
B.
Increasing advertising expenditures led to increased sales.
C.
Increased sales led to an increase in advertising expenditures.
【简答题】Suppose that real consumption expenditures in a nation are $10,000 million, real investment expenditures are $8,000 million, real government expenditures are $5,000 million, real expenditures on impor...
【多选题】Which of the following best explains why research and development expenditures in the construction industry lag behind expenditures in some other industries.
A.
companies see little need to spend money since most competitors are not investing either.
B.
Owners and designers tend to be conservative in specifying new products,materials, and methods
C.
New technologies are not time-proven and put the project at risk.
D.
It is often dificult to protect from competitors new technologies that are successfully perfected