Apr. 29th, 2016

timelets: (Default)
Let's take the Solow output model



where A is thought of as an all-encompassing technology multiplier for capital K and labor L.

If I were to think about this formula in terms of the Category Theory, I'd propose that technology is a bunch of arrows that connect sets of K and L. I think this approach would take us directly to the Romer's understanding of technology in its one period incarnation.

Intuitively, technology is a set of "how-to's" that enable people and machines interact in an economy. The arrows include physical interactions, e.g. moving stuff on railroads, and non-physical institutions, e.g. private property laws.

f: A->B

Apr. 29th, 2016 06:13 pm
timelets: (Default)
It's amazing what a change of tags does to your brain. When something is called "functions" it sounds abstract, mathematical, and cold. When the same thing is called "arrows" it sounds tangible, physical, and warm.

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