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(University College Dublin. School of Economics, 1994-08)This note examines the sensitivity of tests for homogeneity in demand systems to such factors as omitted variables and dynamic and stochastic specification. It estimates demand systems for Ireland using time-series data ...
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(Taylor & Francis, 1995-10)Examines the sensitivity of tests for homogeneity in Ireland's demand systems on various economic factors. Use of time series data for unconditional demand systems in differentiating dynamic and stochastic specifications; ...
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(American Society of Civil Engineering (ASCE), 2006-03)The effect of multiple vehicles on a bridge’s dynamic amplification is a complex problem. Previously authors have examined multiple vehicle presence by constructing elaborate finite element models or undertaking field ...
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(Elsevier, 2006-05)The concept of a road roughness index for bridge dynamics is developed. The International Roughness Index (IRI) is shown to be very poorly correlated with bridge dynamic amplification as it takes no account of the location ...
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(Taylor & Francis, 2011-11-28)The determination of characteristic bridge load effect is a complex problem. Usually, statistical extrapolation of simulated static load effects is used to derive a lifetime characteristic static load effect. However, ...
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(Elsevier, 2010-05-24)Simple numerical models of point loads are used to represent single and multiple vehicle events on two-lane bridges with a good road profile. While such models are insufficiently complex to calculate dynamic amplification ...
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(University College Dublin. Geary Institute, 2006-11-23)The Irish health care system offers a tax financed, universal entitlement to public care at a nominal user fee, nonetheless 50% of the Irish population purchase private health insurance. This paper empirically models the ...
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(University College Dublin. Geary Institute, 2007-07-16)This paper extends the widely used ordered choice model by introducing stochastic thresholds and interval-specific outcomes. The model can be interpreted as a generalization of the GAFT (MPH) framework for discrete duration ...
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(Institute for the Study of Labor, 2006-11)The Irish health care system offers a tax financed, universal entitlement to public care at a nominal user fee, nonetheless 50% of the Irish population purchase private health insurance. This paper empirically models the ...
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(CRC Press, 2012-07-08)This paper summarises the developments in the dynamic response of bridges to traffic loading based on a large amount of simulations and field tests carried out within the 6th EU framework ARCHES (2006-2009). When assessing ...