The term "usefulness" refers to the invention that could be manufactured or used to perform the intended purpose and produce positive impacts [11].
This study sought to find out to what extent the Public Bike Sharing System (PBSS) of the city of Buenos Aires produced positive impacts on aspects that users value most when traveling, and analysing whether these evaluations vary according to the intensity of use of the PBSS.
The results show that either case-based payment, or using flat unit rate to pay for OP and IP services, or global budget, have produced positive impacts on cost control of health care in the three cities.
In the next decade, it won't be enough for a company to merely be profitable — customers, employees and investors will all demand that a company produce positive impact, as well.
Will we produce positive impact in people's lives, or become consumed by endless activities?
As many authors have pointed out, the continued survival of the NGO sector may rest upon our ability to show that NGOs are performing and producing positive population level impacts [ 9, 20, 62].
Such characteristics can produce substantial positive impacts on yields under contrasting conditions.
Although important exceptions exist, these programmes, like ERA, produced early positive impacts on employment and earnings but saw their impacts fade over time after the work incentives had ended (Michalopoulos, 2005).
TVPK produced substantive positive impacts on children during the pre-K year, but differences between treatment and control children faded to zero, and, for state test scores, turned negative as children moved through elementary school.
But it seems to me that the worst sin of all is our abject failure to achieve scale for the handful of projects that have produced measurable positive impacts on the lives of poor people.
