Funny how every debate about economics ends up with people dropping a variation of “go beat the stock market if you think you are clever”. It's not an argument,

Funny how every debate about economics ends up with people dropping a variation of “go beat the stock market if you think you are clever”. It's not an argument, it's just a bad faith shot. Neither you or I can predict the hydrodynamic behavior of gas in a jet engine, but it doesn't mean it isn't doable with the right modeling tools, as all the jets flying above your head right now prove. Also, your claim that the stock market has a big influence on inflation is unsubstantiated. Finally, you're fighting a strawman when talking about “perfect” inflation prediction or limited precision in data: nobody is asking for a .1% precision in inflation forecasts (though most economics seem to have a problem understanding the concept of significant figures and keep producing numbers with a ridiculous amount of details relative to the underlying error in the data), but the fact that nobody can predict a surge in inflation before it starts poses serious questions on the usefulness of the models. And don't tell me it was the stock market …