The health status of people is a precious commodity and central to economic, socio-political, and environmental dimensions of any country. Yet it is often the missing statistic in all general statistics, demographics, and presentations about the portrait of immigrants and natives. In this paper...

Medical experts have argued forcefully that using cigarettes harms health, prompting the adoption of myriad anti-smoking policies. The association between smoking and mortality may, however, be driven by unobserved factors, making it difficult to discern the underlying long-term causal...

This paper analyzes sin goods consumption when individuals exhibit present-focused preferences. It considers three types of present focus: present-bias with varying degrees of naiveté, Gul-Pesendorfer preferences, and a dual-self approach. We investigate the incentives to deviate from healthy...

We present a psychological model of stress. Appraisal translates stressors into subjective stress. Stress reduces instantaneous utility of an individual directly and via cognitive load. Coping can be under the control of the individual or more automatic. We predict the occurrence of uncontrolled...

This paper adds some formal research to the success of ongoing efforts to combat the COVID-19 pandemic by examining the drivers of the administration and delivery efficiency of coronavirus vaccines. For this purpose, we use data from the 50 US states and place the formal analysis in the context...