Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A two-dimensional propensity score matching method for longitudinal
  quasi-experimental studies: A focus on travel behavior and the built
  environment   The lack of longitudinal studies of the relationship between the built
environment and travel behavior has been widely discussed in the literature.
This paper discusses how standard propensity score matching estimators can be
extended to enable such studies by pairing observations across two dimensions:
longitudinal and cross-sectional. Researchers mimic randomized controlled
trials (RCTs) and match observations in both dimensions, to find synthetic
control groups that are similar to the treatment group and to match subjects
synthetically across before-treatment and after-treatment time periods. We call
this a two-dimensional propensity score matching (2DPSM). This method
demonstrates superior performance for estimating treatment effects based on
Monte Carlo evidence. A near-term opportunity for such matching is identifying
the impact of transportation infrastructure on travel behavior.

25
The categories of this paper are: patt-sol
5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn
19
The categories of this paper are: eess
8
The categories of this paper are: hep-ex
21
The categories of this paper are: adap-org
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
6
The categories of this paper are: astro-ph
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin