Field Note
A Price Difference Is Not Yet an Explanation
A price difference is an observation. It becomes an explanation only when evidence connects the outcome to an assignment rule, input, or cause.
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A Price Difference Is Not Yet an Explanation
A price difference is an observation. It becomes an explanation only when evidence connects the outcome to an assignment rule, input, or cause.
That distinction protects both sides of a pricing investigation. It prevents a company from dismissing a documented difference as meaningless, and it prevents a reporter from turning an unexplained output into a claim about surveillance, discrimination, or intent.
The useful sequence is observation, controlled comparison, replication, system evidence, and then causal or legal interpretation.
Sources
Follow the evidence.
- ag.ny.gov: attorney general james demands answers instacart about algorithmic pricingag.ny.gov
- company.instacart.com: instacart makes it easier for customers to save on groceries with acquisition of eversightcompany.instacart.com
- company.instacart.com: ending item price tests on instacartcompany.instacart.com
- company.instacart.com: the truth about pricing tests on instacartcompany.instacart.com
- company.instacart.com: instacartpricingcompany.instacart.com
- consumer.ftc.gov: online shoppingconsumer.ftc.gov
- investors.instacart.com: 9e9aff2c 95db 4f75 bdf1 0f4025e1468cinvestors.instacart.com
- itl.nist.gov: pri11itl.nist.gov
- consumerreports.org: instacart ai pricing experiment inflating grocery bills a1142182490consumerreports.org
- fca.org.uk: fca confirms measures protect customers loyalty penalty home motor insurance marketsfca.org.uk
- ftc.gov: ftc surveillance pricing study indicates wide range personal data used set individualized consumer pricesftc.gov
- gov.uk: tackling the loyalty penaltygov.uk
- instacart.com: promotionsinstacart.com
- instacart.com: 1586544648instacart.com
- itl.nist.gov: pri332itl.nist.gov
- usa.gov: online purchase complaintsusa.gov