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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: J Risk Uncertain. 2020 Jul 16;60(3):207–228. doi: 10.1007/s11166-020-09326-5

Table 1.

Donald and Lang Models of the Smoking Rate DD: MN vs. Rest of the U.S.

Model type Data Treatment Effect Standard Error t-value P-value
DL1 Levels −0.0289 0.6416 −0.04 0.966
DL2 Wave Differences 0.9200 0.6320 1.46 0.196