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Table 1 ARIMA regression-predicated impact of inflation-adjusted gasoline price on motorcycle sales and related new motorcycle fatalities

From: Rising gasoline prices increase new motorcycle sales and fatalities

Gasoline prices (US$)

Mean annual motorcycle sales

Mean annual new motorcycle fatalities

Actual numbers

 2.04a

451,000

350

Predicted impact

 1.50

291,000

229

 2.00

439,000

345

 2.50

587,000

462

 3.00

734,000

578

 3.50

882,000

695

  1. aAverage annual inflation-adjusted gasoline price for the study period, 1984–2009. ARIMA also adjusted for average disposable income per capita, precipitation in inches, and temperature in degrees