[lotsofpulp]

Then the pay is not good enough.

[athollywood]

The pay is good enough but their are other constraining factors when it comes to extreme rapid growth in an area. Housing shortages are one example.

[lotsofpulp]

True, but that's part of the issue. Volatility affects people's lives, and they need to be paid extra to deal with it (assuming they have other options). Moving around a lot, living in the middle of nowhere, inconsistent income due to changing markets, these are all negatives that need to be compensated for in the wages.