For the sake of the experiment, the researchers promised immediate compensation to some participants and deferred compensation to others, regardless of the incentive scheme.
This added about 1.3 million readers to the magazine's original circulation of 100,000, although the magazine promised its advertisers a base rate of 700,000.
If nothing else, that reply gives a good idea of the brush-off householders can expect to receive if they complain when the tariff rates they were promised are cut.