No OP. But if it’s similar to what I believe in, it’s free-market capitalism for business (with provisions for market failure, e.g. antitrust and utility regulation), redistribution of wealth for individuals, strong individual investor and consumer rights, and the state providing the bare basics through the market (housing voucher, food voucher, public education or an education voucher, electricity voucher, water voucher, internet voucher, and public healthcare).

Basically this [1]

And for who's done it, basically every capitalist nation at this point.

Simply put it's recognizing that capitalism has failings but so does communism. It doesn't seek full state control of everything, just over industries where it's needed. It tries to strike a balance between public and private ownership.

Everything from Vietnam to the US have aspects of market socialism. I think that there are more industries where the US should take ownership, particularly industries that lend themselves to natural monopolies or oligopolies.

[1] https://en.wikipedia.org/wiki/Market_socialism