Puzzle of Growth: Rich Countries and Poor Countries Why are some countries rich and other countries poor? Put the following puzzle pieces in order from ultimate causes to the most immediate causes. Top label: null position 11 Rich countries have incentives to work hard and invest. position 22 Workers have access to more and better factors of production. position 33 History, ideas, culture, geography, and luck affect the type of incentives. position 44 Rich countries have good institutions that create incentives that spur prosperity. position 55 Workers are very productive