My personal favorite way for boosting wages would be a job guarantee. Hand-wavy explanation: Having the government hire people who can't find work elsewhere puts a floor on both unemployment and on the minimum that other entities have to provide in a job. More detail in this interview [0] of Pavlina Tcherneva, author of 'The Case for a Job Guarantee' by Mark Blyth (the most entertaining political economist, IMO.)

[0] https://soundcloud.com/rhodescenter/is-now-the-time-for-a-fe...