The results showed that the people who had higher levels of infection had a 25 percent increase in the risk of a low score on a common test of cognition called the Mini-Mental State Examination.
Investors are reliving a mini-Sept 2008, and further credit downgrades of developed country debt could just be enough to test the circuit breakers at some global securities exchanges.
Mini-experiments do not need to be expensive, they just need to involve the target customer group and test assumptions you have about your business model.