Tractatus Logico-Philosophicus A Book by Ludwig Wittgenstein www.gutenberg.org The totality of factsEverything that can be saidI am my worldEthics and aesthetics are oneWhereof one cannot speak
What we have known since long A Quote by Ludwig Wittgenstein The problems are solved, not by giving new information, but by arranging what we have known since long. notetakingunderstandingproblemsinformation
Who Becomes an Inventor in America? The Importance of Exposure to Innovation A Research Paper www.nber.org We directly establish the importance of environment by showing that exposure to innovation during childhood has significant causal effects on children's propensities to invent. Children whose families move to a high-innovation area when they are young are more likely to become inventors. These exposure effects are technology-class and gender specific. Upstream, Downstream inventioninnovationchildhood