An agreement where one firm provides managerial assistance, technical expertise, or other specialized services for an agreed amount of time and level of compensation is called a

Strategic Partnership

Explanation:

This is a arrangement where two or more companies come together under contractual agreement to work as one in other to achieve a goal or deliver a project, for the benefit of both parties.

In most cases one of the parties has a project to execute but lacks the resources to adequately execute it and as a result needs support from one or two more partners. They more or less become a joint venture for an agreed upon length of time.

an employee's increased output after additional training

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