What is the role of the stochastic error term ui in regression analysis?​

Areal estate salesperson is often approached by home buyers of a particular race. his usual practice is to show them homes in neighborhoods where most of the residents are the same race as the buyers. he avoids showing these buyers properties in integrated areas. this is called:

Even before world war ii had ended, it was apparent that the allies would not remain friends in the post-war era. describe how the conflict between the superpowers manifested itself in the following region: europe.

Which of the following is not among the root causes of poverty in the united states? size of family disabilities advanced degrees underemployment