The correct answer is option 4. Global infrastructure of formal and informal institutional arrangements is a characteristic of globalization. Globalization refers to the increasing interconnectedness and interdependence of countries through the exchange of information, goods, services, and ideas. It involves the breaking down of national barriers and the creation of networks and relationships between different countries.

Option 1, fragility of national barriers for the flow of capital and goods, is a characteristic of globalization. Globalization has led to a decrease in trade barriers and an increase in the movement of capital and goods between countries.

Option 2, rapid flow of information, capital and goods, is also a characteristic of globalization. Advances in technology and communication have made it easier and faster to transfer information, money, and products across borders.

Option 3, networking of cultural, economic and political relations, is another characteristic of globalization. Globalization has allowed for the sharing of cultural practices, the integration of economies, and the establishment of political partnerships between countries.

Therefore, the correct answer is option 4 because a global infrastructure of formal and informal institutional arrangements is indeed a characteristic of globalization.