For the US, correct. For something like Singapore, I think a strategic granite reserve is actually useful. It is interesting that remnants like this still exis

For the US, correct. For something like Singapore, I think a strategic granite reserve is actually useful. It is interesting that remnants like this still exist after the economic transition at end of WW II: strategic raisin reserve, rent control in New York to accommodate returning servicemen and their families (http://citylimits.org/2015/03/09/nycs-endangered-species-a-rent-controlled-apartment/ http://citylimits.org/2015/03/09/nycs-endangered-species-a-r...).