To further assess the importance of taking into account the unobserved heterogeneity, we perform a second analysis of the relationship between aggregate income and life satisfaction on more homogeneous territorial units. We restrict the sample to all countries within the EU before the first enlargement to eliminate potentially confounding factors at the country level; Figure 2 show the main findings of this second analysis. This confirms the findings of the country-based analysis outlined above.
Russia is the country with resources, high technology and lobor. In order to fulfil the space between Russia and other contries, Russia need to have a policy that get them out of the Soviet Union's shadow. They need to chose the right market for their product.
The GDP per capita of the Byzantine Empire , the continuation of the Roman Empire in the east, has been estimated by the World Bank economist Branko Milanovic to range between $680 and 770 (in 1990 International Dollars) at its peak around 1000 AD, the reign of Basil II .  This is times the subsistence level as compared to the slightly higher value of for the Roman Empire under Augustus (30 BC–14 AD). 
November 15, 2010: British Prime Minister David Cameron ‘s government announces that it will, for the first time, survey happiness in addition to other economic measures. Who knew austerity would be so warm and fuzzy?