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Communication Dans Un Congrès Année : 2015

Students' understanding of marginal change in the context of cost, revenue, and profit

Résumé

This paper describes how eight undergraduate students majoring in economics and business studies reasoned about marginal change (marginal cost, marginal revenue , and marginal profit) in the process of deciding how they would advise the management team of an airline about an economic decision involving the addition of another jet plane. To elicit students' understanding of marginal change in an economic context, pairs of students were engaged in a task-based interview. Nearly all of the students were able to reason correctly about marginal change within the immediate context of the task, while four of the students also did so beyond the context presented in the task. Only one student considered the marginal change information in the task as a rate of change.
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Dates et versions

hal-01288612 , version 1 (15-03-2016)

Identifiants

  • HAL Id : hal-01288612 , version 1

Citer

Thembinkosi P. Mkhatshwa, Helen Doerr. Students' understanding of marginal change in the context of cost, revenue, and profit. CERME 9 - Ninth Congress of the European Society for Research in Mathematics Education, Charles University in Prague, Faculty of Education; ERME, Feb 2015, Prague, Czech Republic. pp.2201-2206. ⟨hal-01288612⟩
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