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Heng Chen is a Principal Researcher in the Currency Department at the Bank of Canada. His primary research interests center on the structural identification and estimation of the causal effects of the method of payments on the cash usage. Specific topics include distributional estimations using the longitudinal CFM data. Heng Chen received his PhD in economics from Vanderbilt University.
Calibrated weights are created to (a) reduce the nonresponse bias; (b) reduce the coverage error; and (c) make the weighted estimates from the sample consistent with the target population in terms of certain key variables.
This study provides insight into the costs of cash, debit card and credit card payments made at the point of sale in Canada in 2014. For each payment method, it examines the total resource costs, which capture the overall use of resources by society as a whole.
Sampling units for the 2013 Methods-of-Payment Survey were selected through an approximate stratified random sampling design. To compensate for non-response and non-coverage, the observations are weighted through a raking procedure.
We exploit the panel dimension of the Canadian Financial Monitor (CFM) data to estimate the impact of retail payment innovations on cash usage. We estimate a semiparametric panel data model that accounts for unobserved heterogeneity and allows for general forms of non-random attrition.
Estimation of the quantile model, especially with a large data set, can be computationally burdensome. This paper proposes using the Gaussian approximation, also known as quantile coupling, to estimate a quantile model.
“A Flexible Parametric Approach for Estimating Switching Regime Models and Treatment Effect Parameters” (with Yanqin Fan and Jisong Wu), Journal of Econometrics, 181(2), 77-91, 2014.
“Retail Payment Innovations and Cash Usage: Accounting for Attrition Using Refreshment Samples” (with Marie-Helene Felt and Kim Huynh), Journal of Royal Statistical Society: Series A, 2016.
“Measuring Consumer Cash Holdings: Lessons from the 2013 Bank of Canada Methods-of-Payment Survey” (with Chris Henry, Kim Huynh, Rallye Shen, Kyle Vincent), Survey Practice, 9(4), 2016.
“Inference for the Correlation Coefficient between Potential Outcomes in the Gaussian Switching Regime Model” (with Yanqin Fan and Ruixuan Liu), Journal of Econometrics, 195(2), 255-270, 2016.
Work in Progress
“Within-group Estimators for Fixed Effects Quantile Models with Large N and Large T”.
“Set Identification and Estimation of Dynamic Quantile Models from Repeated Cross-Sections”.
“Identification and Wavelet Estimation of LATE in a Class of Switching Regime Models”. (with Yanqin Fan), R&R at Journal of Econometrics.
“Local Polynomial Wavelet Estimation of the Local Average Treatment Effect”.