MOUNTAIN VIEW, Calif. – When it comes to creating an innovation economy, according to tech historian Leslie Berlin, Silicon Valley can be a model, but creating a carbon copy isn’t feasible.

At The Atlantic’s Silicon Valley Summit conference today, Berlin, a Project Historian for the Silicon Valley Archives at Stanford, said that the creation of Silicon Valley can’t really happen anywhere else, and other regions shouldn’t try to simply re-create it.

“This was the result of a very specific set of historical confluences and circumstances that came together the way they did,” she said....