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 unemployed, 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 of long-run effects and favorable
for children. This behavior is consistent among all races and sexes.

Does the Daylight Savings Time Causes People to Change More than their Clock?
Daylight-Saving Time (DST) has a long and controversial history, regarding both its implementation and main intent. This paper attempts to take advantage of the natural experiment created by DST twice a year to study how individuals are affected by an arbitrary change in clock. I compare two states – Arizona which never had DST, and New Mexico which always had DST using a difference-in-differences estimation method. Both states are geographically and climatically similar making them suitable for comparison. Main findings – first, New Mexicans reduce sedentary activities, such as sleeping and relaxing, during spring and increase in fall. Second, New Mexicans claim to experience high stress after the spring DST implementation. Third, the effect of DST fades out in subsequent weeks. I conclude that clock change twice a year seriously impacts those who are affected by it when compared to similar counterparts living in the same geographical latitude.

The Highs and Lows of Medical Marijuana Legalization
This paper estimates the impact of legalizing medical marijuana on the consumption of marijuana, alcohol and criminal behavior using data from the National Longitudinal Survey of Youth 1997 (NLSY97). We apply a difference-in-differences 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. Results show that there is a slight increase in marijuana and alcohol consumption but no change in criminal behavior. The magnitude of increase is very small indicating that this policy has negligible negative impact on society. (Joint work with Siobhan Innes-Gawn and Mary H. Penn)

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