Reffonomics Video -- Costs (Long-Run vs. Short-Run ATC)

After watching the video, scroll down to take the three multiple choice questions.





1. The LRATC curve is

A) upward sloping at every quantity.
B) downward sloping at every quantity.
C) constant at every quantity.
D) an envelope of all SRATC curves.
E) the same as the SRATC curve.




2. If the LRATC curve is falling, this is called:

A) deconomies of scale.
B) diseconomies of scale.
C) diminishing marginal returns.
D) economies of scale.
E) constant returns to scale.




3. If the LRATC curve is rising, this is called:

A) deconomies of scale.
B) diseconomies of scale.
C) diminishing marginal returns.
D) economies of scale.
E) constant returns to scale.




Reffonomics College eTextbook

Reffonomics High School eTextbook

Reffonomics Baseball Games

Cell Phone Graphing Activities

FRQs Microeconomics

FRQs Macroeconomics

Steven Reff's Resume/Vitae