Let me not to forget say how beautiful this post is as I gush about its analytics! Super cool idea, Marshall!
Yours, Lakshmi I'm shocked too. Several posts on this list have recently mentioned physics envy. Even for a pure NC economists, one would think modeling disequilibrium would not be so hard. Start with the usual cobweb theorems and include a variable for time to adjustment. Make it fancy by including information scarcity and search costs as exogenous variables. Let E be the expected time to achieve equilibrium after a disturbance. Now add technological innovation as a stochastic process with a Poisson distribution to model the arrival rate of innovations. Each innovation shifts the product supply curve to the right. Let D be the expected time for such technologically driven shifts to occur. Now combine the two sub-models. When D < E, permanent disequilibrium is likely to occur. So my question is, has anyone done this?
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