Emission pricing floor price

Middleton, W. D. and Price, T. D. (1996). Identification of activity areas by multi-element characterization of sediments from modern and archaeological house floors using inductively coupled plasma-atomic emission spectroscopy. Journal of Archaeological Science 23 673-687. 

If the overall allocation is set such that the market requires at least some of these allowances, then this ensures the price will not drop below the agreed minimum bid price. Excessive allocation, or large inflow of cheap allowances from CDM and JI projects, could of course ultimately overwhelm a price floor set in this way, though the supplementarity criteria does also allow member states to limit the inflow into the system (Article 11a of EU Directive on emission trading, amended 27.10.2004).21... 

---