> The energy price predicament is that below $80/barrel, shale and tight producers can't make money (and there will be no further investment) and above $80 and the rest of the economy gets killed.
The numbers you cite aren't anywhere close to correct. U.S. Shale Oil producers were making money at $60/barrel when OPEC was trying to squeeze them out a few years back. Their break even price is about $50/barrel (i.e nowhere near $80 as claimed).