"Table 5 Estimated Short-Term and Long-Term Elasticities1
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Variable,Short-term elasticity,t-statistic,Long-term elasticity,t-statistic,,,
GDP elasticity,0.890,21.76,1.405,27.85,,,
Gasoline price elasticity,–0.337,–22.01,–0.531,–18.50,,,
Toll elasticity group 1 ,–0.209,–11.81,–0.330,–11.42,,,
Toll elasticity group 2,–0.371,–25.25,–0.585,–21.71,,,
Toll elasticity group 3,–0.445,–19.80,–0.702,–17.66,,,
Toll elasticity group 4,–0.828,–9.82,–1.307,–9.81,,,
"1 Group 1 includes 21 sections; group 2, 25 sections; group 3, 21 sections; and group 4, 5 sections.",,,,,,,