Search Results for author: Young Jun Lee

Found 3 papers, 0 papers with code

Closed-form approximations of moments and densities of continuous-time Markov models

no code implementations17 Aug 2023 Dennis Kristensen, Young Jun Lee, Antonio Mele

This paper develops power series expansions of a general class of moment functions, including transition densities and option prices, of continuous-time Markov processes, including jump--diffusions.

Vaccination strategies and transmission of COVID-19: evidence across advanced countries

no code implementations14 Sep 2021 Dongwoo Kim, Young Jun Lee

Conditional on first-dose coverage, an increased fraction with two doses appears to offer no further reductions in new cases and deaths.

Time Series Time Series Analysis

Local Polynomial Estimation of Time-Varying Parameters in Nonlinear Models

no code implementations10 Apr 2019 Dennis Kristensen, Young Jun Lee

We develop a novel asymptotic theory for local polynomial (quasi-) maximum-likelihood estimators of time-varying parameters in a broad class of nonlinear time series models.

Time Series Time Series Analysis

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