Economics 9708 · AS & A Level · 7.5

7.5 — practice question

The diagram illustrates the long-run average cost curve for a firm that encounters constant factor prices. Which economic concepts in the table account for the LRAC curve’s shape?

  • Aeconomies and diseconomies of scale: yes; the law of diminishing returns: yes; the law of variable proportions: no
  • Beconomies and diseconomies of scale: yes; the law of diminishing returns: no; the law of variable proportions: no
  • Ceconomies and diseconomies of scale: no; the law of diminishing returns: yes; the law of variable proportions: yes
  • Deconomies and diseconomies of scale: no; the law of diminishing returns: no; the law of variable proportions: yes

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