Which of the following is not a skill the authors say managers must have to be successful?
a. technical knowledge
b. creativity
c. human relations skills
d. critical thinking skills

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 leading producer of cell phone backup batteries, jumpstart, has achieved great success because they produce high-quality battery backups that are not too expensive. even so, another company that produces lower-quality batteries at the same price has also achieved some success, but not as much as jumpstart. also, in general, the price of backup batteries has declined because of economies of scale and learning. in addition, jumpstart has added complementary assets, such as a carrying case. considering all of these factors, the backup battery industry is most likely in the introduction stage. growth stage. shakeout stage. maturity stage.

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.