Kristen Schwab

Oh, here's one.

Same Colgate toothpaste, same cool mint flavor, same 6.3 ounce size, different prices.

On the page where I am not signed into my account, it is $3.74.

And on the page where I am signed into my account, it is $3.96.

I reached out to Walmart about their pricing policy.

In a statement, the retailer said, because prices can vary by market, customers may occasionally see slight differences as price matches and changes are executed in real time.

All this to say, personalized pricing or not, there's some kind of algorithmic something happening here.

Turns out companies know a lot about us, but we don't know so much about them or how they decide what we pay.

In New York, I'm Kristen Schwab for Marketplace.

If enough workers do that and firms feel like they are able to pass on those labor costs in the form of higher prices, then that is what becomes a self-fulfilling prophecy.

The U.S.-Canada crude oil relationship has a lot going for it.

Proximity, friendship, and crucially, timing.

That's Kevin Byrne with S&P Global Energy.

In the 2000s, U.S.

refiners were able to replace missing Venezuelan heavy crude with Canada's.

This will play out on the U.S.

Gulf Coast.

Refineries there were literally built for heavy Venezuelan oil.

Over a million barrels per day of Canadian heavy crude is used currently in the Gulf Coast, according to Kevin Byrne.

If it has to compete with more Venezuelan crude?