During reccesion, why high specialized is less likely to survive than diversified firm

Russell's study compared gpa of those students who volunteered for academic study skills training and those who did not elect to take the training. he found that those who had the training also had higher gpa. with which validity threat should russell be most concerned?

Which of the following distribution systems offers speed and reliability when emergency supplies are needed overseas? a. railroadsb. airfreightc. truckingd. pipelinese. waterways

Bathlinks corporation has a debt to assets ratio of 73%. this tells the user of bathlinks’s financial statements that a. bathlinks is getting a 27% return on its assets. b. there is a risk that bathlinks cannot pay its debts as they come due. c. 73% of the assets are financed by the stockholders. d. based on this measure, the user should not invest in bathlinks.