In September 1848 Joseph Charlier published in Brussels "Solution du Problème Social" (Solution of the Social Problem), a remarkable book [1]

The permanent income hypothesis was formulated by the Nobel Prize winning economist Milton Friedman in 1957 and can be read in his Book [2].

Just as an understatement, you can see which country has the highest backing of entrepreneurial activity [3].

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[1] http://wrap.warwick.ac.uk/888/1/WRAP_Cunliffe_basic.pdf

[2] http://papers.nber.org/books/frie57-1

[3] http://thumbnails.visually.netdna-cdn.com/which-country-back... and http://www.internationalentrepreneurship.com/total-entrepren...