Which One of the Following Statements Concerning Productivity Is TRUE

Multiple Choice

Which one of the following statements concerning productivity is TRUE?

A) Productivity improvement is achieved by increasing the inputs used to produce a given level of output.
B) Accounting for several inputs simultaneously is not possible.
C) Multifactor productivity is an index of the output provided by more than one of the resources used in production.
D) The low growth in service productivity has had little effect on overall productivity in countries such as Canada and the U.S..