Research the institutional arrangements within these countries, including both formal institutions and informal ones, and hypothesize how these arrangements may explain the difference in their happiness scores.

Select two countries with different scores, one high, one low – at least 2-point difference in their happiness scores. Research the institutional arrangements within these countries, including both formal institutions and informal ones, and hypothesize how these arrangements may explain the difference in their happiness scores.
Attached you can find the ranking table for happiness.