The relationship between cultural integration and performance from an expat's perspective

Paper details:

Central question:
How does cultural integration influence performance of an expatriate
Subquestions are:
1) what comprises the concept of cultural integration
2) what performance indicators can be identified for expatriate employees
3)what are the impacts of cultural integration on performance
4)how does this work for international organizations
This proposal should include:
1) introduction
2)problem field analysis
3) research objectives
4) central question and subquestions (already stated above)
5) brief literature review (harvad style)
6) methodological consequences