microeconomics aims to make markets more efficient. So anything that has done that cna be included.
competition reform - ACCC, privatisation/corporatisation of govt monopolies, allowing Non-banking financial institutions to offer mortgages, allowing more telephone companies...
taxation reform - greater incentives to work, reduce distrotions caused by taxation (particulalry wholesale taxes ---> GST)
labour market reform - reduce frictional unemployment by privatrising jobsearch agencies to improve efficiency/increase competition. You can go to monster.com.au, seek.com.au, mycareer.com.au etc etc...before the govt was the only agency. Also enterprise bargaining, decentralised wage system (very few minimum wages), erosion of union power, move towards individual workplace agreements...