Bonsall, P.W.: Microsimulation of organized car sharing: description of the models and their calibration. Transp. Res. Rec. 767, 12–21 (1980)
Bonsall, P.W., Spencer, A.H., Tang, W.S.: What makes a car-sharer? Transportation 12(2), 117–145 (1984)
Bureau of Labor Statistics: American Time Use Survey 2003–2009. http://www.bls.gov/tus/ (2011a)
Bureau of Labor Statistics: Consumer Price Index. http://www.bls.gov/cpi/home.htm (20011b)
Charles, K.K., Kline, K.: Relational costs and the production of social capital: evidence from carpooling. Econ. J. 116(511), 581–604 (2006)
Dueker, K.J., Bair, B.O., Levin, I.P.: Ride sharing: psychological factors. Transp. Eng. J. 103(6), 685–692 (1977)
Energy Information Administration: Retail Gasoline Historical Prices. http://www.eia.doe.gov/oil_gas/petroleum/data_publications/wrgp/mogas_history.html (2011)
Fellows, N.T., Pitfield, D.E.: An economic and operational evaluation of urban car-sharing. Transp. Res. Part D 5(1), 1–10 (2000)
Ferguson, E.: The rise and fall of the American carpool: 1970–1990. Transportation 24(4), 349–376 (1997)
Huang, H., Yang, H., Bell, M.G.H.: The models and economics of carpools. Ann. Reg. Sci. 34(1), 55–68 (2000)
Hartgen, D.T., Bullard, K.C.: What has happened to carpooling: trends in North Carolina, 1980 to 1990. Transp. Res. Rec. 1390, 50–59 (1993)
Horowitz, A.D., Sheth, J.N.: Ride sharing to work: an attitudinal analysis. Transp. Res. Rec. 637, 1–8 (1977)
McGuckin, N., Srinivasan, N.: The Journey-to-Work in the Context of Daily Travel. Presented at the Census Data for Transportation Planning Conference. http://onlinepubs.trb.org/onlinepubs/archive/conferences/2005/censusdata/Resource-Journey-to-Work.pdf. Accessed 23 Mar 2010 (2005)
Putnam, R.: Bowling alone: America’s declining social capital. J. Democr. 6(1), 65–78 (1995)
Rosenbloom, S., Burns, E.: Gender differences in commuter travel in Tucson: implications for travel demand management programs. Transp. Res. Rec. 1404, 82–90 (1993)
Standard and Poor’s: Case-Shiller Housing Index, http://www.standardandpoors.com/indices/sp-case-shiller-home-price-indices/en/us/?indexId=spusa-cashpidff-p-us (2011)
U.S. Census Bureau: Census 2000. Table GCT-PH1-R (2000)
U.S. Census Bureau: American Community Survey. http://factfinder.census.gov/servlet/DatasetMainPageServlet?_program=ACS&_submenuId=datasets_2&_lang=en (2011a)
U.S. Census Bureau: Current Population Survey. http://www.census.gov/cps/ (2011b)