Marketing
Sweepstakes with large grand prizes tend to attract more entries regardless of the odds of winning. Therefore, the value of smaller prizes usually total much less than that of the top prize. Firms that rely on sweepstakes for attracting customers, such as Publishers Clearing House and Reader's Digest, have also found that the more involved the entry process, the more entrants, in a similar way to casinos inventing games that appear to rely partly on skill.
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