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econ.EM2026
Inference on common trends in functional time series
Morten Ãrregaard Nielsen, Won-Ki Seo, Dakyung Seong
We study statistical inference on unit roots and cointegration for time series in a Hilbert space. We develop statistical inference on the number of common stochastic trends embedd…
econ.EM2025
Functional Linear Projection and Impulse Response Analysis
Won-Ki Seo, Dakyung Seong
This paper proposes econometric methods for studying how economic variables respond to function-valued shocks. Our methods are developed based on linear projection estimation of pr…