Al Gore wants the JWP index because it gives him options beyond just being a candidate - credibility, the power to influence the masses of people is social capital in the sense that he can eventually save that up and spend it.
Google, Exxon Mobil, Microsoft, General Electric, Apple et al. Look at all major sectors in the index and decide whether they are likely to prosper in a tepid business cycle.
The first study published by de Ruyter et al. examined the impact of a blinded intervention on body mass index (BMI) and other metrics among 641 children in the Netherlands.