What is meant by market / equilibrium versus dis-equilibrium pricing ?

Provide examples of government induced dis-equilibrium pricing and impact on production levels, consumption, price, quantity and quality ? Are "price controls- price ceilings / price floors, taxes" examples of dis-equilibrium pricing? What are subsidies? Give examples? Can subsidies influence demand, supply market activities?

>What are the observed INTENDED VERSUS UN-INTENDED CONSEQUENES of rent control and minimum wage legislation "debate" as it relates to employment, demand and productivity and ultimate impacts (i.e. shortages / surpluses). Include graphical analysis. Graphically illustrate your analysis.