Definition
BATNA (Best Alternative to a Negotiated Agreement) is the best option you can actually take if a negotiation ends without a deal. It's the most powerful yardstick for deciding when to stop giving in to unreasonable demands and walk away from the table.
The calm of having another card in your pocket
Think about shopping for a used car. If there's only one car you like and it's right in front of you, you might feel stuck buying it even if the seller won't budge on price. But what if you've already lined up a similar car at the dealership next door for $3,800 (about 5 million won)? Now the whole situation changes.
That $3,800 deal is your BATNA. With a solid alternative, you can smile and say, "If we can't agree on this price, I'll go next door." Your bargaining power comes from more than good talking. It depends a lot on how good your alternative is.
On the flip side, if you have no alternative at all, you'll tend to go along with unreasonable demands. Even a terrible deal feels better than no deal. That's why skilled negotiators ask themselves one question before the talks even begin: "If this falls through, what will I do?"
A bit more precisely: it's not your wish price
The most common mistake with BATNA is mixing it up with the "price I'd love to get." A BATNA isn't a vague hope or a target. It's a concrete alternative you can actually carry out the moment talks break down.
For example, telling yourself "I need to get a $40,000 salary" in a pay negotiation is just a goal, not a BATNA. But "a $36,000 offer from another company that I've already lined up if talks fail" is a real BATNA.
In negotiation theory, you use your BATNA to set your reservation value, the bottom line you're willing to accept. If a deal is worse than your BATNA, it makes far more sense to end the talks and take your alternative.
Three principles for taking the lead
Once you understand BATNA, your negotiation strategy comes down to three clear steps. First, make your own BATNA as strong as you can before the talks. The better the job offers you collect, the stronger your hand with your current employer.
Second, figure out the other side's BATNA. Do they have no good alternatives, or do they have plenty of options? You need to know this to read the balance of power in the push and pull.
Third, if needed, weaken their alternative. If you highlight your own value, saying something like "No one else on the market matches our quality," their alternative looks less attractive. That can help you take control of the negotiation.
Common misconceptions
BATNA is the best possible outcome you want to get out of a negotiation.
A BATNA isn't a goal. It's the best realistic way out you can actually take if the negotiation completely falls apart. It has to be something you can really do, not something you imagine.
Where you meet it
Before a salary negotiation, you already hold a final acceptance letter and pay offer from another company.
As your jeonse (Korea's lump-sum deposit lease) is about to expire, you've already scouted a nearby apartment for rent, so you can move right away if the renewal terms don't suit you.
In one sentence
A BATNA is the best alternative you can take if a negotiation falls apart, and it's a key factor in your bargaining power.