Herein are slides on the development of the bio-tech industry. I honestly can't recall where I found the link to this, but I like topic. The best part is it uses bipartite networks and doesn't collapse the different classes of nodes and studies them in the raw.
The interesting part about the dynamics of this network is that it grows and grows until it hits a capacity some time in 1992. The authors find a power-law distribution in the number of links, which is pretty typical for such networks. And then the vogue thing to do with dynamic networks with power-law distributions is to look at the change in 'alpha' over time. There's not a lot to gain from the slides though, I'm interested in the paper this might go along with.
So I found Powell's website and found this paper on Network Dynamics and Field Evolution. It seems similar, but not exactly. Anywho - it's a good example of anlysis of a dynamic two-mode network.
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