Acs, Zoltán J. (contributor); Varga, Attila (contributor) - 2004
entrepreneurship and the geography effects on knowledge spillovers. To date the only international data that are collected on the basis … of exactly the same principles in each country are the Global Entrepreneurship Monitor (GEM) data. We use the 2001 GEM … cross-country data to measure the level of entrepreneurship in each particular economy. For this purpose we apply the TEA …