@article {Petrakis-2012,
	title = {The construction of opportunity entrepreneurship function},
	journal = {International Entrepreneurship and Management Journal},
	year = {2012},
	pages = {1-24},
	keywords = {Cultural background, Economic institutions, Entrepreneurial society, Opportunity entrepreneurship, Transaction characteristics},
	doi = {10.1007/s11365-012-0241-4},
	author = {Petrakis, P}
}
