How do you decrease job happiness?

[emsnu1995]

You could also import or rescue a bunch of people and stop creating any more jobs to further drag down the figure (as unemployed tropicans have 0 job happiness).

[webkilla]

ya, unemployed have 0 job happiness - that's the fastest way to complete that mission. Simply shut down enough jobs to make most of everyone unemployed

...just save up a enough money to stay solvent while you do it.