Many years ago, Fog Creek Software (actually Joel Spolsky) published a blog showing results of a similar experiment: price vs demand, where price of a certain p

Many years ago, Fog Creek Software (actually Joel Spolsky) published a blog showing results of a similar experiment: price vs demand, where price of a certain population fluctuated naturally due to exchange rate fluctuations. There are more posts on price sensitivity in their archive. https://www.joelonsoftware.com/2007/04/24/deriving-your-demand-curve-using-exchange-rate-fluctuations/ https://www.joelonsoftware.com/2007/04/24/deriving-your-dema...