In saying, "I don't buy the argument that providing workers with collective-bargaining rights somehow weakens the economy or worsens the business environment," President Obama confesses to not knowing that collective bargaining raises prices and causes unemployment. He confesses to not knowing that it raises costs and prices not only through the imposition of artificially high wage rates, but also in imposing on employers the use of unnecessary labor, sometimes as many as four or five workers to do the job that just one could do.