Final answer:
A well-crafted global letter of assignment is key as it details the terms and conditions, reduces culture shock by providing clarity, and aids in repatriation by setting clear expectations for the duration and nature of the international assignment.
Step-by-step explanation:
The primary reason a well-crafted global letter of assignment is key to an international assignment plan is because it addresses the terms and conditions of the assignment. This encompasses several critical aspects such as the scope of the role, compensation, benefits, relocation assistance, and any supporting services that will be provided. An effective assignment letter also facilitates a smoother transition which can inherently reduce culture shock and aids in repatriation by clearly articulating the duration of the assignment and any conditions related to the employee's return.
By outlining expectations and support explicitly, employees can adjust to new roles with fewer uncertainties, improving job satisfaction and performance. Global assignment letters also play a vital role in setting the stage for successful integration into a new work environment by preemptively addressing potential issues and providing guidelines for navigating cultural differences.