"Businesses compete for a share of the dividend dollars through advertising campaigns, sales, and other types of special offers."
The PFD shows how local business (+economy) benefits from the income. This is only half of the story as business owners themselves also receive dividends.
"This has allowed the state to eliminate most taxes except those on petroleum, to expand public services..." "Although the dividend provides much needed cash to the residents of these villages, it also enables some to remain who would otherwise move to places where jobs are more readily available and public services less expensive."
"Demand for public as well as non-profit programs providing services for lower-income individuals and families has also been growing rapidly."
"Alaska has experienced lower levels of inflation compared to the U.S. average since the inception of the program." http://nation.time.com/2014/02/13/alaska-happiest-state/
"Alaska is consistently among the most equal of all US states, with the lowest rates of poverty, and the highest Well-Being Index scores." - Further reading: https://www.weforum.org/agenda/2017/04/extreme-wealth-inequality-alaska-model