Effect of Parental Employment Status on Child Care, (Job Market Paper)
Parents spend a significant amount of time and income on raising children. Existing literature shows that parental unemployment has detrimental long-term effects on child development. My study focuses on the short-term impact of unemployed parents in their time investment. Using an instrumental variable approach and the American Time Use Survey (ATUS), I study if individuals who were laid-off or have been unemployed reallocate the time that was spent at work by spending more time with their children. I find that when unemployment, parents spend more time with their children than looking for new employment opportunities in the short run. The short-run effects of unemployment are opposite and favorable for children. This behavior is consistent among all races and sexes. Unemployment also makes fathers spend more time contributing to household chores.

Does the Daylight Savings Time Causes People to Change More than their Clock?
The Daylight-Saving Time (DST) has a long and controversial history, in regards to both its implementation and main intent. This paper attempts to take advantage of the natural experiment created by the DST twice a year to study how individuals are affected by an arbitrary change in clock. I study how individuals’ respond to the DST by adjusting their daily schedules when the clock changes. The main findings are – first, individuals in the USA reduce light intensity activities as a result of the fall DST. Second, in the spring, sedentary activities decline while more intensive activities rise. Third, working population loses more relaxing time in the spring and increases higher intensity activities. Fourth, the magnitude of the DST impact is higher for retired population.

The Highs and Lows of Medical Marijuana Legalization
We estimate the impact of legalizing medical marijuana on the consumption of marijuana, alcohol, hard drugs, and cigarette using data from the National Longitudinal Survey of Youth 1997 (NLSY97). We apply a difference-in-difference approach to study the effect of medical marijuana legalization on individual-level consumption of substances and other criminal behaviors. We incorporate the state-level institutional variation in medical marijuana laws in our analyses. We test the impact of this variation on individual-level behaviors using self-reported data. Preliminary results show that MML increases consumption of cigarettes, marijuana, alcohol and other hard drugs but reduces criminal behavior. (Joint work with Siobhan Innes-Gawn and Mary H. Penn)

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