1. panel consensus is an example of
   1. time series forecasting
   2. quantitative forecasting
   3. qualitative forecasting
   4. global forecasting
2. Monopolistic competition and oligopoly are known as
   1. big business
   2. cartels
   3. imperfect competitions
   4. all of the above
3. In a multiple regression equation, income of consumers was included as one of the explanatory variables. The estimated equations showed the coefficient of income to be negative and the t-test of the income variable was statistically insignificant. This indicated the good for which the regression was conducted was
   1. an inferior good
   2. a normal good
   3. neither inferior nor normal
   4. inferior for the sample of population only