Implementing public health measures with obvious benefits becomes a complex struggle when commercial interests are paramount T he evening of 25 March 2009 was cool for the community consultation — a necessary step before the implementation of fluoridation of the Cobram water supply. There were only a few people present in the Civic Centre, but they warmly applauded the initiative. None of the e...

A set of N data elements (xI +•.• + X~)/N and variance of the th The r moment of the data elements elements is used to estimate E(xr ). th r x1' •.•• xN has r moment E(x)= th r 2r 2 r r moment Var(x ) = E(x )-E (x ). in an arbitrary subset of k Over all the choices of the sample, the mean error is zero and the mean squared error N-k r k(N-I) Var(x). A little-known theorem by Marlow shows that t...

There are many situations in which social interactions and emerging social phenomena play important and, sometimes, fundamental roles. In our particular case we are studying networks of small to medium enterprises. In these enterprise networks each individual enterprise keeps its own identity but works in close collaboration with the others in order to produce something that the enterprises wor...