No statutory minimum wage, no sectoral or national agreements.
Minimum wages are set by (sectoral) collective agreement or tripartite wage boards in (some) sectors.
Minimum wages are set by national (cross-sectoral or inter-occupational) agreement (autonomous agreement) between unions and employers.
National minimum wage is set by agreement (as in 1 or 2) but extended and made binding by law or Ministerial decree.
National minimum wage is set through tripartite negotiations.
National minimum wage is set by government after (non-binding) tripartite consultations.
Minimum wage set by judges or expert committee, as in award-system.
Minimum wage is set by government, bound by a fixed rule (index-based minimum wage).
Minimum wage is set by government based on a fixed rule (index-based minimum wage) or target (growth, employment, poverty), but government can (and sometimes does) take a discretionary decision.
Minimum wage is set by government, without a fixed rule.