There's been some speculation that the Bitcoin network model is closely following ones seen in power spikes in a circuit produced by a linear impulse response:

There's been some speculation that the Bitcoin network model is closely following ones seen in power spikes in a circuit produced by a linear impulse response: http://altoidnerd.com/2013/11/12/bitcoin-bubble-not-this-time-a-qualitative-analysis-of-bitcoins-price-cycle-and-unusual-economy-of-scale-2/ http://altoidnerd.com/2013/11/12/bitcoin-bubble-not-this-tim... Those impulses could very well be driven by global hash rate.