The short run industry supply curve can be found by horizontally summing the short run supply curves of all the individual firms in the industry.
举一反三
- The supply of lettuce in the short run will be ________ than the supply in the long run and ________ than the supply today. A: more elastic; less elastic B: more elastic; more elastic C: less elastic; more elastic D: less elastic; less elastic
- Ifpricesfallinaperfectly competitive industry,then the firmsin that industry will in the short run A: not decrease in number unless price falls below ATC for some firms. B: trytoreduceproductionorshutdown. C: keepoutputatthesamelevelbut makelosses. D: advertise.
- When the economy is operating at potential GDP, an unannounced decrease in the rate of growth of the money supply intended to reduce inflation will most likely lead to. lower inflation and: A: a decrease in output in both the short run and the long run. B: no change in output in both the short run and the long run. C: a decrease in output in the short run, and lower inflation but no change in output in the long run.
- "Diseconomies of scale" occur in ( ) A: the long run, but not the short run. B: the short run, but not the long run. C: both the short run and the long run. D: neither the short run nor the long run.
- 概念题：把单个的ss曲线相加得到行业的SS曲线（ summing individual ss curves to get industry SS）