Companies like southwest airlines and zappos attribute a great deal of their success to their strong corporate cultures, which is inaccurate. in reality, research has determined that, over time, corporate culture has only a marginal influence on firm performance. a. true. b. false

Resources and capabilities, such as interpersonal relations among managers and a firm's culture, that may be costly to imitate because they are beyond the ability of firms to systematically manage and influence are referred to asanswers: socially complex.causally ambiguous.path dependent.the result of unique historical conditions.

The questions of economics address which of the following ? check all that apply

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.