Business users are a mix of commuters and city users, with speci®c consumption (and business) needs and often with high disposable incomes.
Salaries are low, forcing doctors (mostly in ambulatory care) to seek (often unorthodox) ways to supplement their incomes.
Patients with higher incomes influence total costs to a greater degree than patients with lower incomes.
Also, with organic production, payrolls and proprietor incomes were higher.
In the original treadmill theory, farmers adopt new technologies to drive down their cost of production and improve their incomes.
The paper then looks within the pensioner population at the incomes of different groups of older people.
However, there were proportionately more participants with incomes between $30,000 and $60,000 than those with incomes below $30,000 when compared to the general population.
Differences in permanent incomes across agent types occur whenever 1 = 2 so that the frequency of being highly productive varies across agent types.
