every few years, someone in politics discovers stock buybacks and declares them a problem. companies are buying back their own shares instead of "investing in workers." wall street is enriching shareholders at the expense of the real economy. if we banned buybacks, companies would have to spend the money on something productive. this is all extremely intuitive and, as far as i can tell, almost completely wrong. buybacks and dividends are the same thing with different tax treatment, and neither is a story about corporate greed.
here's the simplest version. a company has some cash. it has three things it can do with that cash. option one: invest it in something that will produce future cash — a factory, a product, a hire. option two: pay it out to shareholders as a dividend. option three: use it to buy some of its own stock back. the third option is mathematically almost identical to the second. if the company has 100 shares and $100 in cash, and it pays a $1 dividend, each share now has $1 in the shareholder's pocket and $0 of cash on the company's books. if the company instead buys back one share, each remaining shareholder owns a slightly larger fraction of a company that's now $99 of cash-plus-business. the math works out to be the same. in both cases, the shareholders get the $100 out of the company. the only difference is which shareholders got it — the ones who kept the stock (buyback) or all of them equally (dividend).
the reason companies prefer buybacks is mostly tax. dividends are taxed as income when they hit your account. a buyback doesn't trigger tax for the shareholder who didn't sell — they just now own a larger fraction of a smaller company. if you sell into the buyback, you pay capital gains, which for most holders is lower than the dividend rate. so buybacks are, on the whole, a tax-efficient way of returning cash. this is not a conspiracy. it is a choice that any rational finance team would make given the tax code congress wrote.
the "but the company should invest in workers instead" argument rests on a confusion. companies don't buy back stock because they have extra cash lying around and can't figure out what else to do with it. they buy back stock when they've already decided that investing the cash in the business would produce a lower return than the shareholders could get elsewhere. returning the cash is the correct move when internal returns are low. if you force the company to invest instead, you get negative-npv projects, bad hires, bloated orgs, and a lower aggregate return on capital across the whole economy. capital that can leave a company and flow to somewhere it's more productive is the best feature of the public-market system, not a bug. forcing cash to stay inside declining businesses is how you get the 1970s version of gm.
the part where the "buybacks are bad" argument has any purchase is actually about executive compensation. a lot of ceos are paid in part on earnings-per-share (eps). a buyback shrinks the denominator. so the same dollar of earnings becomes a larger eps number, and the ceo's bonus goes up, even though nothing about the business has changed. this is a genuine principal-agent problem — the ceo has the incentive to do buybacks even when the internal-investment return is higher than the shareholder's alternative. but the fix is to stop paying ceos in eps, not to ban buybacks. if you ban the buyback you stop the symptom and keep the incentive.
there's a deeper point here, which is that most "finance looks evil" arguments rely on describing a thing in a confusing way. the word "buyback" sounds like the company is buying something from itself, which sounds sketchy. the word "dividend" sounds friendly and historical. they are the same transaction. most of the sophistication in financial writing is figuring out when two things are the same under different names, and when two things that sound the same are actually different. levine does this professionally. the rest of us can practice by asking, of any financial headline, "what is this a name for, and is there a simpler transaction it would reduce to."
the one legitimate concern about buybacks, to be fair, is that they transfer wealth from long-term holders to selling holders when the company overpays. if the stock is overvalued and the company buys back at the top, the remaining shareholders own a bigger fraction of a company that paid a bad price for its own equity. the 2007-era buybacks by banks, executed at peak prices right before those banks needed bailouts, are the canonical example. this is a real failure of capital allocation, and it's something boards should push back on. but it's not a buyback problem; it's an overvaluation problem, and the cure is the same as any other bad capital allocation: better boards and cleaner incentives.
the short version of this post. buybacks and dividends are the same transaction with different tax labels. the policy debate about "banning buybacks" is a debate about the tax treatment of corporate distributions, dressed up as a debate about corporate morality. if you want to change the tax treatment, that is a real debate. if you want to force companies to hold onto cash they can't invest productively, you're advocating for a slow decay of capital allocation in the whole economy, and you probably don't mean to.