2 papers
physics.med-ph2026
Body Fat, Skin Tone, and the Accuracy of Smartwatch Caloric Expenditure Estimates
Jason Kostrna, Ekaterina Oparina, Andres J. Rodriguez +4
Smartwatches are widely used to estimate caloric expenditure for weight management, clinical decision making, and public health monitoring. These devices combine photoplethysmograp…
econ.EM2024
Empirical Welfare Analysis with Hedonic Budget Constraints
Debopam Bhattacharya, Ekaterina Oparina, Qianya Xu
We analyze demand settings where heterogeneous consumers maximize utility for product attributes subject to a nonlinear budget constraint. We develop nonparametric methods for welf…