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Beth is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: Because her pool sessions are helping her swim more quickly, Beth plans to reduce by 1 hour per week the time she spends training on the bike and increase by 1 hour the time she spends in the swimming pool; however, her husband says that she should stop doing any biking and running and spend all 20 hours per week in the pool.

Respuesta :

Answer:

The basic principle of individual choice that Beth's plan illustrates and her husband's does not is that of marginal analysis.

Explanation:

  • Though Beth is planning to divide her time between the activities in a partial manner, she has still kept time for the other activities that are going to be the part of the triathlon. Thus, Beth can be said to have done a marginal analysis of the activities and the cost that they would bear as far as time is concerned.
  • The advice given by Beth's husband does not leave room for marginal analysis as he wishes that she dedicates all her time for swimming alone.

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