The dissertation examines the concept of skills, and and their impact on charitable giving behavior, labor market outcomes, and marital choices. The first essay conducts a controlled laboratory experiment, investigating the relationship between worker performance and their pro-social behavior in the context of charitable contributions. The second essay estimates the employment premium associated with online certificates in data science through a randomized field experiment. The third essay expands on a multi-period microeconomics model of educational and marital choices in developing countries. The outcomes of this study address questions that are shared concern for the academic community and policy-makers.