All price changes have real effects on demand for goods, and therefore alter goods' prices relative to one another. For this reason changes in the money supply can't fail to affect resource allocation.
Because each person's control over his own body and will are inalienable,no person can be held to any sort of slavery "contract" even if all parties once agreed on it.
Although it's easier to buy guns in Indiana and Wisconsin than in Chicago, homicide rates are lower in those states than in either Illinois or Chicago.