Major societal challenges of a global nature include climate change, efficient energy supply, environmental sustainability, and health care. Science & Technology Policy (S&T) policy is an essential contributor to dealing with these challenges; moreover, international cooperation and...

Economic interactions often take place in open communities, in which agents are free to leave a community to join a more preferred one. Tiebout (1956) conjectured that “voting with feet” might generate considerable efficiency gains since individuals with different preferences sort themselves...