3. Show the application of the doctrine of population to the present problem of immigration and wages in America.
4. Do the figures on immigration show anything as to the need of legislation restricting immigration?
5. What has been the effect of the recent immigration into the United States upon the use of machinery?
6. Apply the theory of wages to explain the effect of present immigration on the wages of unskilled or slightly skilled workers.
7. If the supply of labor of any class were to be decreased ten per cent., would wages rise in like proportion?
8. Is immigration now adding to the general welfare in the United States? State the facts and general economic principles on which you base your answer.
9. If there is an immigration of half a million workers annually into a country for a period of ten years—during which no new natural resources are made available, would wages in that country be affected? If so, of what classes of workers? What would be the effect on the amount of income received by [land owners]?
10. Explain how the general principles of price-determination hold in the determination of wages. Show how these principles apply when there is extensive employment of southern and eastern Europeans. (See Source Book.)
11. If in a given labor market the number of laborers increases while the number and technical efficiency of indirect agents remains unchanged, what change, if any, will result in the average rate of wages? What change, if any, will there be in the return to the indirect agents?