What is the long run and short run in macroeconomics? - Quora
When economists examine firms over time they must define the Short Run and Long Run Short Run –Only some inputs (e.g. labor) can be adjusted –Not enough. - ppt download
Explaining the Short Run and the Long Run in Economics - YouTube
Long vs. Short Run Economics: Overview & Cost | What is Short Run Economics? - Video & Lesson Transcript | Study.com