A sales position involves the give-and-take between consumers and industries as well as trade between nations. This academic field concentrates on teaching marketing and economics to understand what drives market demands and how to supply goods while strengthening the growth of a business.

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.