A very common mistake I see people making is that it is always case that we can trade X for Y, where X and Y are any two random resources. This isn't always tru

A very common mistake I see people making is that it is always case that we can trade X for Y, where X and Y are any two random resources. This isn't always true, and the more indirection there is in the trade the less efficient the trade becomes. Every time you fight against an equilibrium you are losing total economic capacity, the size of the pie we all share. Trading rockets for housing and medicine is A LOT of indirection. We'd be giving up a lot of Rockets for a very modest increase in Medicine and Housing.