Gender-matching school environments may provide benefits for girls to enhance their performance. By using PISA data from South Korea, this paper suggests that the effects of single-sex schooling and a student-teacher's gender matching are heterogeneous across different student groups. The...

Many of North Korean refugees in South Korea struggle to reconcile their different identities of: being a Korean who shares ethnicity with South Koreans vs. being a North Korean who fled from an estranged neighboring country. This paper shows that emphasizing the Korean unity can help their...

This paper investigates the role of social trust in determining one's willingness to compete in math competitions in school, observing how competitive occupational choices often require higher quantitative skills. Using the data of the PISA test in math, the empirical results highlight that a...

The economic success and innovative outcomes of the high performing East Asian countries, albeit often characterized as low-trust societies, suggests reexamination of the presumed positive relationship between social trust and innovation. Multi-level analyses conducted in this paper reveal that...

This paper investigates empirically how and why men and women are different in their confidence levels. Using the data of the PISA test in math, confidence is decomposed into two dimensions: confidence in correct math knowledge and overconfidence in over-claiming false knowledge. The findings...

This paper investigates the role of social capital in determining one's competitiveness. The analysis exploits the data of the PISA test in math because competitive occupational choices often require high quantitative skills. The empirical results highlight that a higher level of trust in school...

Mehr als 2,45 Millionen Menschen sind laut den Vereinten Nationen Opfer von Menschenhandel, die Dunkelziffer ist hoch. Viele Staaten haben deshalb ihre Bemühungen verstärkt, gegen Menschenhandel vorzugehen und den Opfern zu helfen. Das DIW Berlin hat nun den 3P-Index, der die staatlichen...

This paper investigates the relationship between social capital and innovation in high-performing East Asian economies. Rapid economic growth and innovation in these economies contradicts the presumed positive link between social trust and innovation suggested in the literature, as these...