Table 5 Estimation results of IV regressions: stage 2 of 2SLS

From: Impacts of transportation network companies on urban mobility

Dependent variable log(TTI) log(CH)
OLS IV regression OLS IV regression
  Estimate t statistic Estimate t statistic Estimate t statistic Estimate t statistic
Constant −0.6166 −6.653*** −1.0080 −10.288*** −2.8410 −5.230*** −3.8020 −6.022***
TNC 0.0057 2.336** 0.1856 7.885*** 0.0413 2.679*** 0.4790 3.158***
Dependent variable log(vehicle ownership) log(PT ridership)
OLS IV regression OLS IV regression
  Estimate t statistic Estimate t statistic Estimate t statistic Estimate t statistic
Constant 0.3971 37.624*** 0.4050 39.326*** 12.6200 158.482*** 12.6700 158.476***
TNC −0.0001 −0.060 −0.0253 −10.133*** −0.0881 −10.613*** −0.1654 −8.649***
  1. Significance codes: ***P < 0.01; **P < 0.05; *P < 0.1.
  2. All the models include MSA-level control variables, MSA fixed effects and time (month/year) fixed effects.