Jacob Lund Fisker

Jacob Lund Fisker (born 1975[1]) is a Danish astrophysicist and writer. He is known as the author of a philosophy of extreme early retirement that has inspired a lifestyle movement.[2][3][4] Fisker's book Early Retirement Extreme discusses how to become financially independent with a median income.[5]

Jacob Lund Fisker
Born1975 (age 44–45)
NationalityDanish
Alma materAarhus University (cand.scient.)
University of Basel (PhD)
OccupationAstrophysicist, author
Known forExtreme early retirement

Life

Fisker holds a cand.scient. degree in physics and mathematics from Aarhus University, in addition to a PhD in theoretical physics from the University of Basel in Switzerland. While at Aarhus, he received Statens Uddannelsesstøtte, a state education grant that provides Danish university students with a stipend to cover living expenses while enrolled. Even after completing his degrees, Fisker continued to live on a budget corresponding to the SU stipend he received as an undergraduate[6] although his income increased over time. As a postdoc he saved 80% of his income[3] and became financially independent in less than five years. He considered himself retired when he left his astrophysics career in 2009 at the age of 33[4] having accumulated a net worth 25 times his annual expenses of about $7,000.[5][7] After becoming financially independent, he briefly came out of retirement to work as a quantitative analyst for three years, motivated by personal interest. Fisker is a permanent resident of the United States and lives in Chicago.

Personal finance

As Fisker's income increased, the surplus was initially set aside in a savings account. Later it became clear to Fisker that the money could be invested in the stock market and generate a larger return.[6] He realized that he would quickly and inevitably become financially independent due to the large difference between his income (which was a median income) and his expenses (which were extremely low). This led to the conclusion that relative wealth (income or wealth in relation to expenses) was more important than absolute wealth. Fisker started a blog called "Early Retirement Extreme" in 2007 to discuss his ideas, culminating in a book of the same name that was published in 2010. The book has sold over 20,000 copies as of 2016.[3][8]

The book contains a mathematical study of savings rate and its impact on a person's ability to retire. With conventional personal finance advice, it is typically recommended to save 10–15% of income for retirement.[9] With this savings rate, neglecting investment returns and compound interest, it takes between five and 10 years to save enough to cover one year's expenses. However, if 75% of income is saved, it is possible to cover three years' expenses for each year worked. The high savings rate allows for a much earlier retirement compared to the conventional savings rate.

In order to achieve low expenses, Fisker applies systems theory to personal finance. For example, instead of searching for the cheapest housing and the cheapest car, one may find an even cheaper solution with inexpensive housing within walking distance of work and a supermarket, eliminating the cost of a car as it is no longer needed for transportation.[4]

Bibliography
  • Early Retirement Extreme: A philosophical and practical guide to financial independence (2010), ISBN 978-1453601211.

Contributions
  • The article "The Laws of Energy" in The Final Energy Crisis (2005) edited by Andrew McKillop, ISBN 978-0745320922.
  • The article "Escape the Spend-Earn Cycle" in the magazine New Escapologist No. 5 (2011).
  • Book chapter in Idler 44: Mind Your Business (2011) edited by Tom Hodgkinson, ISBN 978-0954845629.
  • Book chapter in One Million in the Bank (2015) by Michael L. F. Slavin, ISBN 978-0996118606.
gollark: I bred one but my magis are on cooldown.
gollark: Could you set up a two-way teleport with a dummy egg?
gollark: Okay, will do.
gollark: Any preference for type of xenowyrm?
gollark: I'll breed mine.

References
  1. "What retirement is and means to me". earlyretirementextreme.com. Retrieved January 22, 2019.
  2. Bejder, Eva (December 15, 2018). Stå af hamsterhjulet – med penge nok til resten af livet (TV-production). DR2. Event occurs at 6:16. Retrieved January 22, 2019.
  3. "Bliv økonomisk uafhængig inden du fylder 40". Berlingske Tidende. April 11, 2016. Retrieved January 22, 2019.
  4. "Get your pension savings off to a flying start". MoneyWeek. January 6, 2017. Retrieved January 22, 2019.
  5. "Cover Story: Achieving financial independence early". The Edge Markets. September 7, 2018. Retrieved February 13, 2019.
  6. Møller Christensen, Peter (June 2018). "Få friheden med overskudsøkonomi". Penge & Privatøkonomi. Benjamin Media A/S. Retrieved January 22, 2019.
  7. Rieckens, Scott (January 1, 2019). Playing with FIRE (Financial Independence Retire Early): How Far Would You Go for Financial Freedom?. New World Library. p. 25. ISBN 978-1608685806.
  8. "På pension som 40-årig? Her er en guide til, hvordan du gør det". jyllands-posten.dk. July 26, 2016. Retrieved January 22, 2019.
  9. "When should I start saving for retirement?". Money. Retrieved January 22, 2019.

External references
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