alt Hacker News99% of the reason for the mom-and-pop groceries dying out is that "our" Federal Gov't decided that it would stop bothering to enforce the law - https://en.wikipedia.org/wiki/Robinson%E2%80%93Patman_Act
And note how the modern Democratic Party - the originators of that law back in 1936 - utterly failed to give a crap about the issue.
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> note how the modern Democratic Party... utterly failed to give a crap about the issue
From the article on the Act -
"Enforcement of the RPA has declined since the 1980s. In 2022, FTC commissioner Alvaro Bedoya endorsed a revival of enforcing the RPA in order to curb price discrimination. In April 2024, sixteen members of Congress wrote to the FTC urging for a revival of the enforcement of the Act. In December 2024, the FTC sued liquor distributor Southern Glazer's under the Act, asserting that they charged small stores more than they charged large chains. On January 17, 2025, the closing days of the Biden Administration, the FTC filed a lawsuit against PepsiCo. In May 2025, The FTC voted to dismiss the PepsiCo suit but the suit against Southern Glazer's is proceeding."
It's a low bar but the Democratic party has given more of a crap about it than anyone else.
Robinson-Patman is a bad law. Even if it were a good law, it would be effectively impossible to enforce equitably and not capriciously, which is probably why it hasn’t been.
The government telling competitive buyers and sellers which kinds of price negotiation are legal and which are not is terrible economics because it attenuates price signals.