This page makes selected current working papers and published journal papers and book chapters available for download. Please contact me for copies of conference papers listed in my CV.

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Journal papers

Hess, S. & Train, K.E. (2017), Correlation and scale in mixed logit models, Journal of Choice Modelling, 23, pp. 1-8.

Minton J, Murray CC, Meads D, Hess S, Vargas-Palacios A, Mitchell E, et al. The Community IntraVenous Antibiotic Study (CIVAS): a mixed-methods evaluation of patient preferences for and cost-effectiveness of different service models for delivering outpatient parenteral antimicrobial therapy. Health Serv Deliv Res 2017;5(6) (pdf)

Hess, S., Murphy, P., Le, H. & Leong, W.Y. (2017), Estimation of new monetary valuations of travel time, quality of travel and safety for Singapore, Transportation Research Record, accepted for publication, February 2017. (pdf)

Beck, M.J., Hess, S., Ojeda Cabral, M. & Dubernet, I. (2017), Valuing travel time changes: a case of short-term or long-term choices?, Transportation Research Part E, 100, pp. 133-143. (pdf)

Calastri, C., Hess, S., Daly, A.J., Maness, M. Kowald, K., Axhausen , K.W. (2017), Modelling contact mode and frequency of interactions with social network members using the multiple discrete-continuous extreme value model, Transportation Research Part C, accepted for publication, December 2016. (pdf)

Hess, S. & Börjesson, M. (2017), Understanding attitudes towards congestion pricing: a latent variable investigation with data from four cities, Transportation Letters, accepted for publication, November 2016. (pdf)

Leong, W., Goh, K., Hess, S. & Murphy, P. (2017), Improving bus service reliability: The Singapore experience, Research in Transportation Economics, accepted for publication, October 2016. (pdf)

Lu, H., Hess, S., Daly, A.J. & Rohr, C. (2017), Measuring the impact of alcohol multi-buy promotions on consumers’ purchase behaviour, Journal of Choice Modelling, accepted for publication, May 2016. (pdf)

Ojeda Cabral, M., Hess, S. & Batley, R. (2017), Understanding valuation of travel time changes: are preferences different under different stated choice design settings?, Transportation, accepted for publication, April 2016. (pdf)

Ibraimovic, T. & Hess, S. (2017), Changes in the ethnic composition of neighbourhoods: Analysis of household's response and asymmetric preference structures, Papers in Regional Science, accepted for publication, February 2016. (pdf)

Hess, S., Daly, A., Dekker, T., Ojeda Cabral, M. & Batley, R.P. (2017), A framework for capturing heterogeneity, heteroskedasticity, non-linearity, reference dependence and design artefacts in value of time research, Transportation Research Part B, 96, pp. 126–149. (pdf)

Daly, A.J., Dekker, T. & Hess, S. (2016), Dummy coding vs effects coding for categorical variables: clarifications and extensions, Journal of Choice Modelling, 21, pp. 36-41. (pdf)

Pedersen, L.B., Kjaer, T. & Hess, S. (2016), Asymmetric information and user orientation in general practice. Exploring the agency relationship in a best-worst scaling study, Journal of Health Economics, Journal of Health Economics 50, pp. 115-130. (pdf)

Batley, R.P. & Hess, S. (2016), Testing for regularity and stochastic transitivity using the structural parameter of nested logit, Transportation Research Part B, 93, pp. 355-376. (pdf)

Beck, M. & Hess, S. (2016), Willingness to Accept Longer Commutes for Better Salaries: Understanding the Differences Within and Between Couples, Transportation Research Part A, 91, pp. 1-16. (pdf)

Ojeda Cabral, M., Hess, S. & Batley, R. (2016), The value of travel time: random utility versus random valuation, Transportmetrica A: Transport Science, 12(3), pp. 230-248. (pdf)

Dekker, T., Hess, S., Brouwer, R. & Hofkes, M. (2016), Decision uncertainty in multi-attribute stated preference studies, Resource and Energy Economics, 43, pp. 57-73. (pdf)

Vuk, G., Bowman, J., Daly, A.J. & Hess, S. (2016), Impact of family in-home quality time on person travel demand, Transportation, accepted for publication, 43(4), pp 705–724 (pdf)

Czoski Murray, C., Twiddy, M., Meads, D., Hess, S., Wright, J., Mitchell, E.D., Hulme, C., Dodd, S, Gent, H, Gregson, A., McLintock, K., Raynor, D.K., Reynard, K., Stanley, P., Vincent, R. and Minton, J. (2015), Community IntraVenous Antibiotic Study (CIVAS): Protocol for An Evaluation of Patient Preferences for and Cost effectiveness of Community Intravenous Antibiotic Services, BMJ Open, 5(8), doi:10.1136/bmjopen-2015-008965 (pdf) 

Ehreke, I., Hess, S., Weis, C. & Axhausen, K.W. (2015), Reliability in the German value of time study, Transportation Research Record, 2495, pp. 14-22. (pdf)

Dumont, J., Giergiczny, M. & Hess, S. (2015), Individual level models vs. sample level models: contrasts and mutual benefits, Transportmetrica, 11(6), pp. 465-483 (pdf)

Hess, S., Quddus, M., Rieser, N. & Daly, A.J. (2015), Developing advanced route choice models for heavy goods vehicles using GPS data, Transportation Research Part E, 77, pp. 29-44 (pdf)

Hoyos, D., Mariel, P. & Hess, S. (2015), Incorporating environmental attitudes in discrete choice models: an exploration of the utility of the awareness of consequences scale, Science of the Total Environment, 505, pp. 1100-1111 (pdf)

Mariel, P., Meyerhoff, J. & Hess, S. (2015), Heterogeneous preferences toward landscape externalities of wind turbines - combining choices and attitudes in a hybrid model, Renewable & Sustainable Energy Reviews, 41, pp. 647-657 (pdf)

Hess, S. & Giergiczny, M. (2015), Intra-respondent heterogeneity in a stated choice survey on wetland conservation in Belarus: first steps towards creating a link with uncertainty in contingent valuation, Environmental & Resource Economics, 60(3), pp. 327-347 (pdf)

Sanko, N., Hess, S., Dumont, J. & Daly, A.J. (2014), Contrasting imputation with a latent variable approach to dealing with missing income in choice models, Journal of Choice Modelling, 12, pp. 47-57 (pdf)

Dekker, T., Hess, S., Arentze, T. & Chorus, C., Incorporating needs-satisfaction and regret-minimization in a discrete choice model of leisure activities, Journal of Transport Geography 38, pp. 66-74 (pdf)

Kløjgaard, M.E. & Hess, S., Understanding the role of practitioners' and patients' perceptions in treatment choices in the face of limited clinical evidence: A Hybrid Choice Model approach, Social Science & Medicine 114, pp. 138-150 (pdf)

Hess, S. (2014), Impact of unimportant attributes in stated choice surveys, European Journal of Transport and Infrastructure Research , 14(4):349-361. (pdf)

Fox, J., Daly, A.J., Hess, S. & Miller, E. (2014), Temporal Transferability of Models of Mode-Destination Choice for the Greater Toronto and Hamilton Area, Journal of Transport and Land Use 7(2), pp. 41-62  (pdf)

Daly, A.J., Hess, S. & Dekker, T. (2014), Practical solutions for sampling alternatives in large scale models, Transportation Research Record, 2429, 148-156 (pdf)

Hess, S., Beck, M. & Chorus, C. (2014), Contrasts between utility maximisation and regret minimisation in the presence of opt out alternatives, Transportation Research Part A 66, pp. 1-12 (pdf)

O’Neill, V. & Hess, S. (2014), Heterogeneity assumptions in the specification of bargaining models: a study of household level trade-offs between commuting time and salary, Transportation, 41(4), pp. 745-763 (pdf)

O’Neill, V.L., Hess, S., Campbell, D. (2014), A question of taste: recognising the role of latent preferences and attitudes in analysing food choices, Food Quality and Preferences 32, 299-310. (pdf)

Johnson, D., Hess, S. & Matthews, B. (2014), Understanding air travellers’ trade-offs between connecting flights and surface access characteristics, Journal of Air Transport Management 34, pp. 70-77. (pdf)

Connors, R., Hess, S. & Daly, A.J. (2014), Analytic Approximations for Computing Probit Choice Probabilities, Transportmetrica 10(2), pp. 119-139. (pdf)

Hess, S. & Stathopoulos, A. (2013), A mixed random utility - random regret model linking the choice of decision rule to latent character traits, Journal of Choice Modelling 9, pp. 27-38. (pdf)

Hess, S., Shires, J. & Jopson, A. (2013), Accommodating underlying pro-environmental attitudes in a rail travel context: application of a latent variable latent class specification, Transportation Research Part D 25, pp. 42-48. (pdf)

Collins, A., Hess S. & Rose, J.M. (2013), Choice modelling with search and sort data from an interactive choice experiment, Transportation Research Part E 56, pp. 36-45 (pdf)

Hess, S. & Stathopoulos, A. (2013), Linking response quality to survey engagement: a combined random scale and latent variable approach, Journal of Choice Modelling 7, pp. 1-12  (pdf)

Hess, S., Shires, J.D. & Bonsall, P.W. (2013), A latent class approach to dealing with respondent uncertainty in a stated choice survey for fare simplification on bus journeys, Transportmetrica 9(6), pp. 473-493 (pdf)

Hess, S., Stathopoulos, A., Campbell, D., O’Neill, V. & Caussade, S. (2013), It’s not that I don’t care, I just don’t care very much: confounding between attribute non-attendance and taste heterogeneity, Transportation 40(3), pp. 583-607 (pdf)

Hess, S., Ryley, T., Davison, L. & Adler, T. (2013), Improving the quality of demand forecasts cross nested logit: a stated choice case study of airport, airline and access mode choice, Transportmetrica 9(4), pp. 358-384 (pdf)

Hess, S. & Hensher, D.A. (2013), Making use of respondent reported processing information to understand attribute importance: a latent variable scaling approach, Transportation 40(2), pp. 397-412. (pdf)

Rose, J.M., Hess, S. & Collins, A. (2013), What if my model assumptions are wrong: the impact of non-standard behaviour on choice model estimation, Journal of Transport Economics and Policy 47(2), pp. 245-263 (pdf)

Fu, Q., Liu, R. & Hess, S. (2012), A review on transit assignment modelling approaches to congested networks: a new perspective, Procedia – Social and Behavioral Sciences 54:1145-1155. (pdf)

Stathopoulos, A. & Hess, S. (2012), revisiting reference point formation, gains-losses asymmetry and non-linear sensitivities with an emphasis on attribute specific treatment, Transportation Research Part A 46(10), pp. 1673-1689 (pdf)

Hess, S., Orr, S. & Sheldon, R., Consistency and Fungibility of Monetary Valuations in Transport, Transportation Research Part A 46(10), pp.1507-1516 (pdf)

Hess, S. (2012), Rethinking heterogeneity: the role of attitudes, decision rules and data processing strategies, Transportation Letters 4(2), pp. 105-113 (pdf)

Arellana, J., Daly, A.J., Hess, S., Ortuzar, J. de D. & Rizzi, L. (2012), Development of surveys for study of departure time choice, Transportation Research Record 2303, pp. 9-18. (pdf)

Hess, S. & Rose, J.M. (2012), Can scale and coefficient heterogeneity be separated in random coefficients models?, Transportation 39(6), pp. 1225-1239 (pdf)

Ben-Akiva, M., de Palma, A., McFadden, D., Abou-Zeid, M., Chiappori, P.A., de Lapparent, M., Durlauf, S., Fosgerau, M., Fukuda, D., Hess, S., Manski, C., Pakes, A., Picard, N. & Walker, J. (2012), Process and context in choice models, Marketing Letters 23(2), pp. 439-456 (pdf)

Hess, S., Hensher, D. & Daly, A.J. (2012), Not bored yet – revisiting respondent fatigue in stated choice experiments, Transportation Research Part A 46(3), pp. 626-644 (pdf)

Hess, S. & Beharry-Borg, N. (2012), Accounting for latent attitudes in willingness-to-pay studies: the case of coastal water quality improvements in Tobago, Environmental and Resource Economics 52(1), pp. 109-131. (pdf)

Chorlton, K., Hess, S., Jamson, S. & Wardman, M. (2012), Deal or No Deal: Can Incentives Encourage Widespread Adoption of Intelligent Speed Adaptation Devices?, Accident Analysis & Prevention 48, pp. 73-82. (pdf)

Daly, A.J., Hess, S. & de Jong, G. (2012), Calculating errors for measures derived from choice modelling estimates, Transportation Research Part B 46(2), pp. 333-341.  (pdf)

Hess, S.,Stathopoulos, A. & Daly, A.J. (2012), Allowing for heterogeneous decision rules in discrete choice models: an approach and four case studies, Transportation 39(3), pp. 565-591. (pdf)

Hess, S., Fowler, M., Adler, T. & Bahreinian, A. (2012), A joint model for vehicle type and fuel type choice: evidence from a cross-nested logit study, Transportation, 39(3), pp. 593-625. (pdf)

Daly, A.J., Hess, S., Patruni, B., Potoglou, D. & Rohr, C. (2012), Using ordered attitudinal indicators in a latent variable choice model: A study of the impact of security on rail travel behaviour, Transportation 39(2), pp.267-297. (pdf)

Daly, A.J., Hess, S. & Train, K.E. (2012), Assuring finite moments for willingness to pay in random coefficients models, Transportation 39(1), pp. 19-31. (pdf)

Collins, A., Rose, J.M. & Hess, S. (2012), Interactive stated choice surveys: a study of air travel behaviour, Transportation 39(1), pp. 55-79. (pdf)

Hess, S. & Train, K.E. (2011), Recovery of inter- and intra-personal heterogeneity using mixed logit models, Transportation Research Part B, 45(7), pp. 973-990. (pdf)

Hess, S., Greene, E.R., Falzarano, C.S. & Muriello, M. (2011), Pay to drive in my bus lane: a stated choice analysis for the proposed Lincoln Tunnel HOT lane into Manhattan, Transport Policy, 18(5), pp. 649-656. (pdf)

Hess, S. & Adler, T. (2011), An analysis of trends in air travel behaviour using four related SP datasets collected between 2000 and 2005, Journal of Air Transport Management, 17(4), pp. 244-248. (pdf)

Fox, J. & Hess, S. (2010), Review of Evidence for Temporal Transferability of Mode-Destination Models, Transportation Research Record, 2175, pp. 74-83. (pdf)

Hess, S., Rose, J.M. & Polak, J.W. (2010), Non-trading, lexicographic and inconsistent behaviour in stated choice data, Transportation Research Part D, 15(7), pp. 405-417. (pdf)

Hess, S., Bolduc, D. & Polak, J.W. (2010), Random covariance heterogeneity in discrete choice models, Transportation, 37(3), pp. 391-411. (pdf)

Hess, S. (2010), Conditional parameter estimates from Mixed Logit models: distributional assumptions and a free software tool, Journal of Choice Modelling, 3(2). (pdf)

Hess, S. (2010), Evidence of passenger preferences for specific types of airports, Journal of Air Transport Management, 16(4), pp. 191-195. (pdf)

Hess, S. & Hensher, D.A. (2010), Using conditioning on observed choices to retrieve individual-specific attribute processing strategies, Transportation Research Part B, 44(6), pp. 781-790. (pdf)

Fosgerau, M. & Hess, S. (2009), A comparison of methods for representing random taste heterogeneity in discrete choice models, European Transport 42, pp. 1-25. (pdf)

Hess, S. & Rose, J.M. (2009), Allowing for intra-respondent variations in coefficients estimated on stated preference data, Transportation Research B, 43(6), pp. 708-719. (pdf)

Rose, J.M. & Hess, S. (2009), Dual response choices in pivoted stated choice experiments, Transportation Research Record 2135, pp. 25-33. (pdf)

Hess, S. & Rose, J.M. (2009), Should reference alternatives in pivot design SC surveys be treated differently?, Environmental and Resource Economics, 42(3), pp. 297-317. (pdf)

Bliemer, M.C.J., Rose, J.M. & Hess, S. (2008), Approximation of Bayesian Efficiency in Experimental Choice Designs, Journal of Choice Modelling, 1(1), pp. 98-127. (pdf)

Hess, S. (2008), Treatment of reference alternatives in SC surveys for air travel choice behaviour, Journal of Air Transport Management, 14(5), pp. 275-279 (pdf)

Hess, S., Erath, A. & Axhausen, K.W. (2008), Estimated Value of Savings in Travel Time in Switzerland: Analysis of Pooled Data, Transportation Research Record, 2082, pp.43-55. (pdf)

Hess, S., Smith, C., Falzarano, S. & Stubits, J. (2008), Managed-Lanes Stated Preference Survey in Atlanta, Georgia: Measuring Effects of Different Experimental Designs and Survey, Transportation Research Record, 2049, pp. 144-152. (pdf)

Hess, S., Rose, J.M. & Hensher, D.A. (2008), Asymmetric Preference Formation in  Willingness to Pay Estimates in Discrete Choice Models, Transportation Research Part E, 44(5), pp. 847-863. (pdf)

Axhausen, K.W., Hess, S., König, A., Abay, G., Bates, J.J. & Bierlaire, M. (2008), Income and distance elasticities of values of travel time savings: New Swiss results, Transport Policy, 15(3), pp. 173-185. (pdf)

Hess, S., Bierlaire, M. & Polak, J.W. (2007), A systematic comparison of continuous and discrete mixture models, European Transport 37, pp. 35-61. (pdf)

Hess, S., Daly, A., Rohr, C. & Hyman, G. (2007), On the development of time period and mode choice models for use in large scale modelling forecasting systems, Transportation Research Part A 41(9), pp. 802-826. (pdf)

Hess, S. (2007), Posterior analysis of random taste coefficients in air travel choice behaviour modelling, Journal of Air Transport Management 13(4), pp. 203-212. (pdf)

Hess, S., Adler, T. & Polak, J.W. (2007), Modelling airport and airline choice behaviour with the use of stated preference survey data,  Transportation Research Part E, 43, pp. 221-233. (pdf)

Hess, S., Polak, J.W., Daly, A.J. & Hyman, G. (2007), Flexible Substitution Patterns in Models of Mode and Time of Day Choice: New evidence from the UK and the Netherlands, Transportation, 34(2). (pdf)

Hess, S. & Polak, J.W. (2006), Airport, airline and access mode choice in the San Francisco Bay area, Papers in Regional Science, 85(4), pp. 543-567. (pdf)

Hess, S., Train, K.E. & Polak, J.W. (2006), On the use of a Modified Latin Hypercube Sampling (MLHS) approach in the estimation of a Mixed Logit model for vehicle choice, Transportation Research Part B, 40(2), pp. 147-163. (pdf)

Hess, S. & Polak, J.W. (2006), Exploring the potential for cross-nesting structures in airport-choice analysis: a case-study of the Greater London area, Transportation Research Part E, 42, pp. 63-81. (pdf)

Hess, S. & Polak, J.W. (2005), Accounting for random taste heterogeneity in airport-choice modelling, Transportation Research Record, 1915, pp. 36-43. (pdf)

Bastin, F., Cirillo, C. & Hess, S. (2005), Evaluation of advanced optimisation methods for estimating Mixed Logit models, Transportation Research Record, 1921, pp. 35-43. (pdf)

Hess, S., Bierlaire, M. & Polak, J.W. (2005), Estimation of value of travel-time savings using Mixed Logit models, Transportation Research Part A, 39(2-3), pp. 221-236. (pdf)

Hess, S. & Polak J.W. (2005), Mixed Logit modelling of airport choice in multi-airport regions, Journal of Air Transport Management, 11(2), pp.59-68. (pdf)

Hess, S. (2004), An analysis of the effects of speed limit enforcement cameras with differentiation by road type and catchment area, Transportation Research Record, 1865, pp. 28-34. (pdf)

Hess, S. & Polak J.W. (2003), Effects of speed limit enforcement cameras on accident rates, Transportation Research Record, 1830, pp. 25-34. (pdf)

Book chapters

Hess, S. & Chorus, C. (2015), Utility Maximisation and Regret Minimisation: A Mixture of a Generalisation, in Rasouli, S. & Timmermans, H. (eds), Bounded Rational Choice Behaviour: Applications in Transport, chapter 2, pp. 31-48, Emerald, Bingley. (pdf)

Hess, S. (2014), Latent class structures: taste heterogeneity and beyond, in Hess, S. & Daly, A.J. (Eds.), Handbook of Choice Modelling, chapter 14, pp. 311-330, Edward Elgar publishers, Cheltenham. (pdf)

Marsden, G.M. & Hess, S. (2011), The scope for and potential impacts of the adoption of electric vehicles in UK surface transport, The Future of Electricity Demand. In: Jamasb, T. and Pollitt, M. (Eds.), Electricity and Heat Demand in a Low-Carbon World: Customers, Citizens and Loads, pp. 212-230, Cambridge University Press (pdf)

Abou-Zeid, M., Ben-Akiva, M., Bierlaire, M., Choudhury, C., Hess, S. (2010), Attitudes and Value of Time Heterogeneity. In: Van de Voorde, E., Vanelslander, T. (Eds.), Applied Transport Economics - A Management and Policy Perspective. De Boeck Publishing, pp.523-545. (pdf)

Hess, S. & Polak, J.W. (2010) Airport choice behaviour: findings from three separate studies, in Forsyth, P., Gillen, D., Müller, J., and Niemeier, H-M. (eds.), Airport Competition: The European Experience, Ashgate, Aldershot, pp. 177-196. (pdf)

Hess, S. (2010), Modelling air travel choice behaviour, in Forsyth, P., Gillen, D. Müller, J., and Niemeier, H-M. (eds.), Airport Competition: The European Experience, Ashgate, Aldershot, pp. 151-176. (pdf)

Chintakayala, P.K, Hess, S., Rose, J.M. and Wardman, M.R. (2010), Effects of Stated Choice Design Dimensions on Model Estimates, in Hess, S. & Daly, A., Choice Modelling: the state-of-the-art and the state-of-practice; Proceedings from the Inaugural International Choice Modelling Conference, Emerald, Bingley, pp. 195-216. (pdf)

Campbell, D., Hess, S., Scarpa, R. & Rose, J.M. (2010), Accommodating Coefficient Outliers in Discrete Choice Modelling: A Comparison of Discrete and Continuous Mixing Approaches, in Hess, S. & Daly, A., Choice Modelling: the state-of-the-art and the state-of-practice; Proceedings from the Inaugural International Choice Modelling Conference, Emerald, Bingley, pp. 331-352. (pdf)

Hess, S. (2010), Theory and practice in modelling air travel choice behaviour, in Postorino, M.N. (ed), Regional airport development, Wessex Institute of Technology Press, Southampton, pp. 109-126. (pdf)

Hess, S. & Polak, J.W. (2009), Mixed Logit Modelling of Parking Type Choice Behaviour, in Brian Sloboda (ed), Transportation Statistics, J.D. Ross Publishing, pp. 77-102. (pdf)

Hess, S., Polak, J.W. & Bierlaire, (2005), Functional approximations to alternative-specific constants in time-period choice-modelling, in H.S.Mahmassani (ed.), Transportation and Traffic Theory: Flow, Dynamics and Human Interaction, Proceedings of the 16th International Symposium on Transportation and Traffic Theory, Elsevier, Amsterdam, chapter 28, pp. 545-564. (pdf)

Hess, S., Bierlaire, M. & Polak, J.W. (2005), Capturing taste heterogeneity and correlation structure with Mixed GEV models, in Scarpa, R. & Alberini, A. (eds.), Applications of Simulation Methods in Environmental and Resource Economics, Springer Publisher, Dordrecht, The Netherlands, chapter 4, pp. 55-76. (pdf)