Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Social
Political, Economic, and Social
kodansha + α Shinsho / The era in which most of the middle class will fall to the lower class will inevitably come soon. The "new lower class" that will be generated in large numbers around the world will start the next economic growth. If so, this is the only way to prevent you from falling to the lower class! If you learn the "History of the Gap", you will know how to increase money! I want to know the basic law of money in the 21st century so that you won't fall!