Amoroso–Robinson relation

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The Amoroso–Robinson relation, named after economists Luigi Amoroso and Joan Robinson, describes the relation between price, marginal revenue, and elasticity of demand.



  • is the marginal revenue,
  • is the particular good,
  • is the good's price,
  • is the price elasticity of demand.

See also[edit]


  • Nicholson, Walter (2005). Microeconomic Theory: Basic Principles and Extensions (Ninth ed.). Thomson/South-Western. pp. 385–414. ISBN 0-324-27086-0. 
  • Robinson, Joan (1932). "Imperfect Competition and Falling Supply Price". The Economic Journal. 42 (168): 544–554. doi:10.2307/2223779. JSTOR 2223779.