- Das, J., Zajonc, T., 2010. India shining and Bharat drowning: Comparing two Indian states to the worldwide distribution in mathematics achievement. _Journal of Development Economics_ , _92_ (2), 175-187.

- De Luca, G., 2008. SNP and SML estimation of univariate and bivariate binary-choice models. _The Stata Journal_ , _8_ (2), 190-220

- Deming, D.J., 2017. The growing importance of social skills in the labor market. _The Quarterly Journal of Economics_ , _132_ (4), 1593-1640.

- Díaz, J.-J., Arias, O.S., Tudela, D.V., 2014. Does perseverance pay as much as being smart? The returns to cognitive and non-cognitive skills in urban Peru, in: _9th IZA/World Bank Conference on Employment and Development. IZA - Institute of Labor Economics, Lima, Peru._

- Duckworth, A.L., Peterson, C., Matthews, M.D., Kelly, D.R., 2007. Grit: Perseverance and passion for long-term goals. _Journal of Personality and Social Psychology_ , _92_ (6), 1087.

- Duckworth, A.L., Quinn, P.D., 2009. Development and validation of the short grit scale (Grit–S). _Journal of Personality Assessment_ , _91_ (2), 166-174.

- Duflo, E., Dupas, P., Kremer, M., 2021. The impact of free secondary education: Experimental evidence from Ghana (Working Paper No. 28937), _NBER Working Paper. National Bureau of Economic Research, Cambridge, MA._

- Fay, M., Hallegate, S., Kraay, A., Vogt-Schilb, A., 2014. Discounting costs and benefits in economic analysis of World Bank projects.

- Field, E., Vyborny, K., 2016. Female labor force participation in Asia: Pakistan country study. _Background report. Asian Development Bank, Manila_ .

- Foster, A.D., Rosenzweig, M.R., 1996. Technical change and human-capital returns and investments: Evidence from the green revolution. _American Economic Review_ , _86_ (4), 931-953.

- Glewwe, P., Huang, Q., Park, A., 2017. Cognitive skills, noncognitive skills, and school-to-work transitions in rural China. _Journal of Economic Behavior & Organization_ , _134_ , 141-164

- Glewwe, P., Song, Y., Zou, X., 2022. Labor market outcomes, cognitive skills, and noncognitive skills in rural China. _Journal of Economic Behavior & Organization 193_ , 294–311.

- Hanushek, E.A., Kimko, D.D., 2000. Schooling, labor-force quality, and the growth of nations. _American Economic Review, 90(5), 1184-1208._

- Hanushek, E.A., Woessmann, L., 2015. Universal basic skills: What countries stand to gain. _OECD Publishing, Paris, France._

- Hanushek, E.A., Woessmann, L., 2008. The role of cognitive skills in economic development. _Journal of Economic Literature_ , _46_ (3), 607-68.

- Heckman, J.J., 2007. The economics, technology, and neuroscience of human capability formation. _Proceedings of the national Academy of Sciences_ , _104_ (33), 13250-13255.

Heckman, J.J., Rubinstein, Y., 2001. The importance of noncognitive skills: Lessons from the GED testing program. _American Economic Review_ , _91_ (2), 145-149.

- Jeffrey, C., 2010. Timepass: Youth, class, and time among unemployed young men in India. _American Ethnologist_ , _37_ (3), 465-481.

- Jensen, R., 2010. The (perceived) returns to education and the demand for schooling. _Quarterly Journal of Economics_ , _125_ (2), 515-548.

- Laajaj, R., Macours, K., 2021. Measuring skills in developing countries. _Journal of Human resources_ , _56_ (4), 1254-1295.

- Lang, F.R., John, D., Lüdtke, O., Schupp, J., Wagner, G.G., 2011. Short assessment of the Big Five: Robust across survey methods except telephone interviewing. _Behavior Research Methods_ , _43_ (2), 548567.

Loyalka, P., Liu, O.L., Li, G., Kardanova, E., Chirikov, I., Hu, S., Yu, N., Ma, L., Guo, F., Beteille, T. and Tognatta, N., 2021. Skill levels and gains in university STEM education in China, India, Russia and the United States. _Nature Human Behaviour, 5(7),_ 892-904 _._ 33