What key elements make for a successful performance appraisal process?

What key elements make for a successful performance appraisal process?
What problems exist if you were designing a compensation package for scientists and engineers.
Know approaches used for keeping expatriates financially whole.
Study about international wage comparison – why is it difficult to obtain good comparisons?
What type of workers can be hired to work alongside your employees doing the same work but making different wages and having different benefits?
Know why is it easier to explain multi-million dollar salaries paid to athletes than it is to explain why the CEO of Ford Motor Company makes millions a year?
Identify and describe the seven major factors that influence the design of a sales compensation package for sales people.