7. Career Development: National culture has an impact on career development. These different patterns of career development are found in different countries. These different career systems can cause problems for multinational companies in implementing their plans for management development. An international firm has to ensure that the perception of what it takes to reach the top, and the patterns of career development (Montana, 2000). An international firm has to take advantages of these differences in promoting and developing managers to be effective in different times and areas.