EconLearn

What happens if governments legitimize Bitcoin?

Making Bitcoin legal mostly changes who is allowed to buy it, not how much of it exists. Once tax rules are clear and banks and exchanges can legally hold coins for customers, big cautious buyers like pension funds are finally allowed in, all bidding for coins that nobody can make faster. Because the supply cannot answer, almost all of that pressure lands on the price instead of the quantity. What legal status cannot do is hold that value steady, which is why almost nobody wants their rent or a restaurant menu priced in bitcoin.

Watch it happen, step by step

Governments legitimize the use of Bitcoin

Supply and Demand

Making Bitcoin legal mostly changes who is allowed to buy it, not how much of it exists.

Curves: D, S. Equilibrium at Quantity 57, Price ($) 44.30609012015024487296120QuantityPrice ($)DS$4457E

Equilibrium at Quantity 57, Price ($) 44

Step 1 of 6

The market before legal recognition

Start with the market for bitcoin: buyers on one line, sellers on the other, meeting at today's price. What makes it strange is the seller side. When the price jumps, no company can fire up a factory and make more bitcoin, because the software that runs it hands out new coins on a set schedule with a hard cap. So far, no government has announced anything.

Now try it yourself: shift the curves in a graded FRQ drill, or open this graph in the free sandbox.

The full chain, written out

  1. 1

    The market before legal recognition

    Start with the market for bitcoin: buyers on one line, sellers on the other, meeting at today's price. What makes it strange is the seller side. When the price jumps, no company can fire up a factory and make more bitcoin, because the software that runs it hands out new coins on a set schedule with a hard cap. So far, no government has announced anything.

  2. 2

    Governments legalize and regulate it

    Now governments write the rules: exchanges get licenses, banks are allowed to hold coins for clients, and tax authorities publish how transactions are treated. That clears away the legal uncertainty that kept pension funds, banks, and cautious households on the sidelines. The pool of buyers allowed to participate widens, so the demand curve shifts right.

  3. 3

    Supply cannot answer back

    In a market for something factories make, a jump in demand pulls in more production and quantity rises a lot. Bitcoin cannot answer that way. The software releases new coins on a schedule that does not speed up when the price rises, so the only extra coins for sale are ones current holders decide to part with. That makes supply far less responsive to price than in a market where output can be increased, which is why more of the adjustment shows up in price and less in quantity. The graph draws supply with a normal slope, so on screen the quantity traded moves more than it would in the real bitcoin market.

  4. 4

    The three jobs money has to do

    Economists test money against three jobs. A medium of exchange is something sellers accept in trade. A store of value holds its worth while you save it. A unit of account is the measuring stick prices get quoted in, like dollars on a menu. Legal recognition helps the first job the most, because it makes accepting bitcoin lawful and routine for ordinary businesses.

  5. 5

    Wild price swings break the measuring stick, and some demand backs off

    The third job is where it struggles, and legal status does not fix it. A measuring stick has to hold still. If a unit's value can move sharply within a week, then a landlord quoting rent in it, a store printing a menu, or a firm signing a year-long contract is taking a gamble it never wanted. So even after legalization, most sellers keep quoting prices in the national currency and convert at the moment of sale. The tax side adds friction too, because in many places spending a coin counts as selling an investment, so buying a coffee can create a tax bill. That friction pulls part of the new transactional demand back out, so demand gives back some of its earlier move and the price eases off its peak without returning to where it started.

  6. 6

    What legal recognition means for governments

    Legal recognition leaves governments with a live problem. If a large share of spending happens outside the national currency, the central bank's interest-rate lever reaches less of the economy, which is why monetary authorities care about this more than tax offices do. Meanwhile the market settles at a higher price, quantity rises less than it would in a market that can add output, and the currency your rent is quoted in probably has not changed.

Where it ends up: Legitimizing bitcoin shifts demand right while supply responds far less than in a market where output can be increased, so more of the adjustment lands in price than it would for an ordinary good. Legal status can help it work as a medium of exchange, but it does nothing about volatility, which is what keeps it from serving as a unit of account.

Who comes out ahead

  • People who already own bitcoin, since more buyers are suddenly allowed in and no new coins appear to meet them
  • Exchanges, banks that hold coins on behalf of customers, and payment companies, which finally get a legal way to serve ordinary customers
  • Users of licensed exchanges, who get rules about what a company has to tell you and somewhere real to complain when money goes missing, though none of that protects the value of what they hold

Who pays for it

  • People buying in later, who pay the higher price that current holders collect, since the gain to holders comes out of new buyers' pockets
  • People who used it to transact outside the banking system, who now face identity checks at licensed exchanges and a possible tax bill on ordinary purchases
  • Central banks, if enough spending moves out of the national currency, because their interest-rate moves then touch less of the economy
Where economists genuinely disagree

Economists agree on the mechanics, because a rush of new buyers meeting a pool of coins nobody can grow pushes hard on price. They also know traded assets move on expectations, so a legalization everyone saw coming is mostly priced in before it happens. What nobody can settle is behavior, since only a handful of countries have tried this, so no one knows whether the swings ever calm enough for bitcoin to be everyday money.

Common questions

What happens if the government makes Bitcoin legal tender?
Legal tender is stronger than simply making it legal. It means the currency must be accepted to settle debts, so sellers and tax offices have to take it. That is rarer than legalization, which just licenses exchanges and clarifies taxes. Either step widens the pool of buyers allowed to hold it, which raises demand, and neither creates more bitcoin, because the release schedule is fixed in software. Neither makes the value steady, which is the part that decides whether people use it for ordinary purchases.
Can Bitcoin actually work as money?
Economists judge money by three jobs: medium of exchange, store of value, and unit of account. Bitcoin can do the first wherever merchants accept it, and people argue about the second. The third is the hard one, because a unit of account has to be a stable measuring stick, and few people want their rent quoted in something that can move sharply in a week.
Can the government create more Bitcoin?
No. New bitcoin is issued on a pre-set schedule written into the software that runs Bitcoin, with a hard cap on how many can ever exist, and no government can vote that schedule upward. That is what makes supply unresponsive compared with a good a factory can make more of: the only extra coins for sale are ones current holders choose to sell, so a change in demand pushes harder on price than it would in a market where output can expand.
How do governments regulate Bitcoin?
Three pieces usually come together. Tax treatment decides whether spending it counts as spending money or as selling property, which determines if a purchase creates a tax bill. Consumer protection covers licensing exchanges, rules on who may hold your coins, and what has to be disclosed. Monetary control is about how much spending drifts outside the national currency, because a central bank can only steer the money people actually use.

Other questions like this

See them all on the What If hub, or go deeper with the AP graph walkthroughs.

AP® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, EconLearn.