Define the word hierarchical structure.

Because the demand for wheat tends to be inelastic. true or false

If an investment has 35 percent more nondiversifiable risk than the market portfolio, its beta will be:

Industrial engineers who specialize in ergonomics are concerned with designing workspace and devices operated by workers so as to achieve high productivity and comfort. a paper published in this research area reports on a study of preferred height for an experimental keyboard with large forearm-wrist support. a sample of 31 trained typists resulted in an average preferred height of 80.0 cm