Hospital mergers in public healthcare have ambiguous effects, but evidence from the English NHS shows they often increase waiting times by reducing competition. Outcomes depend on hospital incentives, with implications for efficiency, access, and equity in care.

Exclusion aims to redirect behaviour and improve trajectories, yet in practice pupils show no improvement and continue to experience poor outcomes over time.

Attitudes toward immigration in Europe vary widely and focus more on economic than cultural concerns. Beyond income or education, views reflect time and risk preferences: individuals who value long-term gains or tolerate uncertainty are more supportive, while others emphasize short-term costs, shaping divided public opinion.

Rural–urban health gaps in Europe reflect unequal access and system design. Rural populations face worse outcomes, especially in emergencies, due to distance, limited services, and socioeconomic factors.

The Fourth Industrial Revolution is already boosting productivity, but through knowledge spillovers rather than immediate gains from adoption. Evidence shows that AI and related patents contribute significantly to total factor productivity, though effects are gradual and uneven across countries. Following a J-curve pattern, benefits emerge slowly as complementary investments develop, suggesting current low productivity growth may precede a future surge driven by intelligent t

Virality on social media arises from the interaction of algorithmic amplification and user-driven sharing, not paid promotion. It depends on content type, emotional intensity, and context, with high-arousal—especially negative—content spreading fastest. While simple, clear messages can increase reach, virality remains unpredictable and can amplify misinformation and harmful content, highlighting the need for stronger policy oversight.