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Economics/ATM Accepting Coins Currency ?.

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Question
Dear Prof Dr Michael

http://en.wikipedia.org/wiki/Automated_teller_machine
http://en.wikipedia.org/wiki/Coin

Assuming that $50, $100 are manufactured as coins then can ATM Machine accept (input) and output to the Customer who wants to withdraw money in the forms of coins ?.

Awaiting your reply,

Thanks & Regards,
Prashant S Akerkar

Answer
I hope you don't mind if I answer both questions in one response.

Regarding machines that accept coin exchanges, yes, absolutely.  Vending machines have been able to accept and issue coin currency in both an accurate and timely manner, so there's no reason an ATM couldn't be made which does the same.

Regarding why paper money tends to have a higher value, I'm not certain.  In my best guess, I'd have to say this: During ancient times, and in many places even in modern times, coins were the only available currency.  It was much easier to mold or stamp soft metals like silver and gold than it was to hand-paint paper currency in the pre-printing press era.  Inflation is a constant influence which reduces the purchasing power of currency, however.  It's possible that as cultures required higher or different denominations of currency that they eventually resorted to paper currency as technology made that the cheaper/safer option, but kept coins in their devalued state.  Again, I'm not 100% certain of that, it's just an educated guess.

I'm also sorry to say that I will not be answering any more questions on AllExperts.com.  My life has taken a turn that has required me to end my time as an economist and focus on supporting my family.  I wish you the best.

Sincerely,
Mike

Economics

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Michael Taillard

Expertise

Accepts most economic questions

Experience

Economic Consulting: American Red Cross; US Strategic Command -- Economics Lecturing: Bellevue University (Bellevue, NE) Huijia College (Beijing), OPII Schools (Omaha), Madonna University (Livonia), Schoolcraft College (Livonia), ZomBCon (Seattle), Zombiefest (Lincoln) -- Media Appearances: Dead Man Working (2012 Movie documentary), The Heartland News (Omaha local news outlet)

Organizations
American Economics Association, Business Networks International, Midwest Writer's Guild, Zombie Research Society

Publications
Economics and Modern Warfare: The Invisible Fist of the Market (Palgrave Macmillan) -- 101 Things Everyone Should Know about Global Economics (Adams Media) -- Corporate Finance for Dummies (Wiley) -- Psychology and Modern Warfare (Palgrave Macmillan) -- Analytics and Modern Warfare (Palgrave Macmillan)

Education/Credentials
PhD (Financial Economics; honors) -- MBA (International Business Finance; honors) -- Grad School Certificate (International Business Management; honors) -- BS (International Business Economics; honors) -- AA (Business Administration; honors) -- Certificate (Chinese Language and Culture) -- Trade School (Transportation Logistics; honors)

Awards and Honors
Philanthropy awards and nominations for the OPII Schools economic experiment

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