[juliend2]

Good point. But is there an oligopoly in the Canadian real estate market though?

I assume the premise of Project Hammer is that transparency applied on the food industry would underline some collusion and invite for a debate on whether there's some legislation to apply against such an oligopoly.

[nickff]

What would demonstrate collusion? Very similar prices could be a sign of close competition, and razor-thin margins. Varying prices could also be a sign of close competition, with grocers choosing loss-leaders to lure customers into the store.

[cycomanic]

Look at the data for Austria presented in the link in the article. Supermarkets raised and lowered prices on the same day to the exact same amount and lots of other pretty damning evidence.

[juujian]

I'm afraid it might have the opposite effect - made collusion easier.

[boringg]

Is the premise that the bread scandal is just the tip of the iceberg?