It may thus be assumed that here the non accelerating inflation rate of unemployment is relatively high because a large cohort is close to retirement age. Conversely, this rate should fall if the rules which currently encourage pre-retirement unemployment are changed. It is estimated that in Germany around one fifth of total unemployment is the result of old-age including the early-retirement regulations.
8 Goldin and Katz (2008). 9 Goldin (2006), pp. 5-6. -6a well-regarded reference work. But, while her husband progressed from instructor to professor at Wisconsin, Betty worked as an instructor on an ad hoc basis. During World War II, while he worked for the government in Washington and New York, Betty stayed in Madison, teaching math to servicemen.