Ideally during the early stages one wants to see a small steady rise in price rather than a speculative boom bust cycle
I tend to agree, but I'd like to know your reasons. Also, to ask: Is there any point where this would not be desirable? I should think it always desirable. It is intrinsically unsustainable, however.
RP's options and market-making activities, and the hitbtc market making incentives, may have contributed substantially to the decline in volatility -- they certainly correlate in time -- but it is perhaps impossible to segregate the factors with useful clarity.
The stabilization of mining growth is obscure to me, although perhaps it is motivated by wanting to buy XMR with a credit card. XMR always seems to be just shy of break-even, lately, no matter how much the hash rises.
Emission is declining 14 bp/diem at present.