Many researches find that the past minimum wage increases had no effect on state poverty rates. Therefore, state wide legislation to raise the federal minimum wage to $15 per hour will not be unlikely to reduce poverty and income inequality because most workers who are affected are not poor; many poor workers already earn hourly wage greater or the same as $15 per hour. Raising the minimum wage is more likely to cause adverse employment effects for the working poor. An overall outcome suggests that the target efficiency of federal minimum wage increases has not improved, and it may actually worsen. When compared to the last federal increase, the current pressure appears less efficient policy. I conclude that the national wide increase in the
