Use demand and supply curves (that means draw, label correctly and fully explain any movements along or shifts) to analyse the probable effects on market equilibrium of the following events
1. On the black market for tickets for the France/Wales game after Wales lose to Italy and Ireland. .
2. On the market for oil if exploitation of oil resources in Antarctica is permitted
3. On the market for gas if there is an a colder than normal winter
4. On the market for Brains beer if Heineken lager reduced in price.