It changes from one industry to the next, some are counter-cyclical. When everything goes down, those go up. Portable jobs, such as software, tend to remain in

It changes from one industry to the next, some are counter-cyclical. When everything goes down, those go up. Portable jobs, such as software, tend to remain in high-demand, because even if some companies are struggling, others are flourishing. Niche-tied jobs have it harder, since they cannot jump industry so readily.