The present work intends to differentiate the effects that public investment can have on private investments, and thus be able to understand its impact on the economy. First, investment and some of its theories will be ...

This paper considers the role of automatic estimation of crowd density and its importance for the automatic monitoring of areas where crowds are expected to be present. A new technique is proposed which is able to estimate ...

This paper considers the role of automatic estimation of crowd density and its importance for the automatic monitoring of areas where crowds are expected to be present. A new technique is proposed which is able to estimate ...

Incentives are a useful tool in encouraging healthy behavior as part of public health initiatives. However, there remains concern about motivation crowd out-a decline in levels of motivation to undertake a behavior to ...

What exactly is a crowd? How do crowds differ from other large gatherings of people? And how do they transform emotions, politics, or faith? In Crowds, contributors draw on their experiences and expertise to reflect on ...

The purpose of this article is to evaluate if the brazilian informatics law has been able to promote significant private expenditures in R & D resulting in so-called additionality effects (crowd in). The analysis is based ...