This paper investigates empirically whether prostitution reduces sex crimes. Theoretical predictions suggest two contradicting effects: substituting or complementing. By using survey data of sex offenders in Korea, I find that prostitution increases the probability of committing sex crimes....

Liberal prostitution policy aims at improving labour conditions for prostitutes and protecting victims of forced prostitution. Its policy orientation predicts that the policy choice of liberalizing prostitution is positively associated with better protection policy for trafficking victims and...

This paper reviews the existing indices on anti-trafficking policy and proposes the integration of statistical indicators into the indices coded from qualitative texts in order to improve the objectivity of evaluation. Examining the validity of the existing indices, the 3P Index and the...

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...

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...

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...

Cybercrime is typically profiled as a skill-intensive crime committed by educated, young criminals. This observation raises the controversial question of whether advanced knowledge and skills are a pull factor of cybercrime. In this paper, the linkage between e-skills and cybercrime is...

This paper investigates empirically whether cultural, racial, and linguistic similarities increase marriage migration. By using marriage migration data from South Korea, I find that the similarities between an origin country and South Korea pull more marriage migration, but the positive effects...

Fairness can be an important factor that promotes social trust among people. In this paper, I investigate empirically whether fairness between men and women increases social trust. Using the data of the World Value Survey from 91 countries, I find that gender discriminatory values negatively...

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...