President Trump’s executive order to boost weekly aid for unemployed Americans is meant to alleviate “acute financial distress” for families across the country. However, restrictions on that extra assistance — a $400-a-week increase in benefits — means it likely won’t be available to a big chunk of unemployed workers. It’s difficult to pinpoint the precise number of people who’d miss out, given some confusion around implementation of the measure, according to economists. Estimates suggest at least 1 million workers — disproportionately female, low-wage and part-time workers — wouldn’t get the benefit.