The author of a new study on the impact of a $15 federal minimum wage on childcare costs said that while the move will boost the incomes of some lower wage workers, it will increase childcare costs across the country by as much as 43 percent in some states. Rachel Greszler, a research fellow in economics, budget, and entitlements at the Heritage Foundation conservative think tank, said in an interview with NTD that, while a federal minimum wage increase will benefit some, “it’s actually going to come back and end up hurting the people that these lawmakers are trying to help the most.” “I estimate that you would have to increase their costs by 21 percent on average across the United States. That would translate into an extra $3,728 for a family with two children,” Greszler said. “But the cost increases would be much higher,” she added. “There are 10 …