On March 26, 1821, German statistician Ernst Engel was born. Engel was head of the Prussian Statistical Bureau (1860-82) and is best known for the “Engel curve,” or Engel‘s law, which states that the proportion of expenditure on food will fall as income rises, i.e. food is a necessary good. Ernst Engel studied at the Freiberg University of Mining and Technology, in Saxony, and on completing his curriculum traveled in Germany and…Read more
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