The government is no longer the dominant source of spending on research and development.
Economists have long thought of spending on research and development, or on making artwork, as types of investment.
Among these are the inclusion of spending on research and development and weapons as investment as well as the introduction of spending on illegal activities such as drugs and prostitution in the calculation of nation's income.
Students at selective institutions with a large graduate to undergraduate student ratio and that devote a significant amount of spending to research have lower rates of persistence in STEM fields.
Figure 2 shows that Italy has one of the lowest rates of spending on research and development (R&D).
"Now it is necessary to set binding debt limits and stick to the agreed parametres - such as a certain level of spending on research and development," she said.
These studies, among others, include some detailed estimates of the optimal amount of spending on research [16], [17].
The ratio of spending on health research and basic research and development on energy is 30 to 1, he added.
Then there is the simple issue of funding, as Andrew Steele, creator of Scienceogram, a website to raise awareness of spending on scientific research, argues.
Blunt has been a strong supporter of spending on biomedical research.
