Sharpe's measure of portfolio performance compares the risk premium on a portfolio to the portfolio's standard deviation of return

Which of the following is most likely to be a barrier to exit?

A) high advertising expenses B) specialized assets C) many product substitutes D) high customer power E) R&D expenses

Which of the following is an impediment to cooperation between national unions?

A. The retention of highly skilled tasks in the host country B. The reciprocal tax treaty C. The wide variation in the structure and ideology of unions D. The common perception unions have about multinational companies E. The decreasing bargaining power of multinational companies