law and public procurement, accounting and finance, international business management.
i don't have an exact answer, but i believe the fields that don't have many experts have low competition while the demand for such experts is high, for example, it specialists.
accounting; business english and communication
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it ou sciences sociales
administration or computer science
international business and international fashion branding in this day and age are very socially relevant and offer many job opportunities.
medicine
engineering
computer science
psychology
health and fitness
education