Do immigrants "help" or "hurt" the U.S. economically? Will large numbers of immigrants enhance our economic well-being or will they take jobs from American workers and lower our standard of living? Briggs warns that, unlike earlier times, immigrants arriving today are having an adverse effect on our economy: Industrial and occupational patterns have changed dramatically from what they were earlier in this century. Moore argues that immigrants have always been, and will continue to be, good for the U.S. economy.