What is the contribution of EU in the foreign investment

Which of all the following is not an assumption of Marshall Consumer Theory of Demand?

What is the correlation coefficient of the straight line ax+by+c=0 wherein a>0 and b <0

With fixed costs of $400, a firm has average total costs of $3 and average variable costs of $2.50. Its output is:

Which one of the following is not an assumption of Classical Linear Regression Model

Which of the following statement is/are true regarding classical theory of income and employment?

  For the regression specification y = α + βx + ε the OLS estimates result from minimizing the sum of

The dummy variable trap occurs when