The whole financial system will have less leverage, lower margins and thus less employment than in the so-called “golden years”. Another example is housing, where prices are unlikely to return soon to the pre-crisis levels, especially in some countries. Also in this sector profit margins are likely to be lower and so will investments and employment.
Excess supply and debt might require years before being absorbed again, as shown in the early 2000s after the burst of the high-tech bubble. Other sectors which could be downsized in a permanent way are those in which technology turned out to be out of pace with medium term trends in energy prices.