The National Automobile Dealers Association in its 1935 dealer survey reported that the average delivered price of 66,260 new cars and trucks sold by 359 dealers was $853.17. The association also re- ported that these dealers sold 111,334 used cars at an average sales price of about $214.
調查6.6萬車平均價$853; 二收$214, 這個今天不夠換前輪刹車片
1935年人均及地皮購10輛新車。
今天是湊湊合合一輛；大美現在的Productivity 隻有1935年的10%
National Productivity Boards
https://economy-finance.ec.europa.eu/economic-and-fiscal-governance/national-productivity-boards_en?
https://www.oecd.org/sdd/productivity-stats/
