when a market is in equilibrium ?

A supply curve is directly affected by ?

A. technology

B. input costs

C. government regulation

D. all of the above

If the diagram of a line shows that lower values on the vertical scale are associated with higher values on the horizontal scale this is an example of ?

A. a nonlinear relationship

B. a positive linear relationship

C. a scatter diagrams

D. a negative linear relationship

A straight-line diagram can be drawn knowing the ________ and ________?

A. vertical axis and horizontal axis

B. intercept and slope

C. scale and slope

D. intercept and scale

A real value can be derived from a nominal value by ?

A. adjusting for changes over time

B. adjusting for data collection errors

C. adjusting for population changes

D. adjusting or changes in prices

Time series data show information ?

A. about the same point in time over different places

B. about different points in time over the same variable

C. about different variables over different places

D. about different points in time over different places