This 150-page long book consists of 18 chapters and presents several dozens mathematical-economic models. One part consists of well-known models but the other models come from the author's research, mainly on pension economics. The book is written for readers who have a high-school education...

This 150-page long book consists of 18 chapters and presents several dozens mathematical-economic models. One part consists of well-known models but the other models come from the author's research, mainly on pension economics. The book is written for readers who have a high-school education...

Using village date from Tanzania, we test whether gifts and loans between households are voluntary while correcting for mis-reporting by the giving and receiving households. Tow maintained assumptions underlie our analysis: answers to a question on who people would turn to for help are good...