Costa Rica. Brunei Darussalam. Cabo Verde. The Bahamas. Kyrgyz Republic. Bosnia and Herzegovina. El Salvador. Dominican Republic. Saudi Arabia. Burkina Faso. Dwyer , Nicolai J. Foss , and Kai Gehring. Coyne , John W. Sobell and Peter T. Leeson Is capitalism contagious? Yet in new research published in this year? New Zealand, Switzerland, and the United States tied for third with ratings of 8. Ireland and the United Kingdom are tied for 6th at 8.