A Holistic Review of Public-Private Partnership Literature Published between 2008 and 2018

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Research method</td><td class="align_center">Number of articles</td><td class="align_center">Percentage</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Case study</td><td class="align_center">375</td><td class="align_center">29.0</td></tr><tr><td class="align_left">Modeling or framework/model development</td><td class="align_center">398</td><td class="align_center">31.0</td></tr><tr><td class="align_left">Questionnaire survey</td><td class="align_center">113</td><td class="align_center">8.7</td></tr><tr><td class="align_left">Interview</td><td class="align_center">105</td><td class="align_center">8.1</td></tr><tr><td class="align_left">Review</td><td class="align_center">54</td><td class="align_center">4.2</td></tr><tr><td class="align_left">Others</td><td class="align_center">248</td><td class="align_center">19.0</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>The total percentage may be summed up to be over 100%, as some studies may adopt more than one method. The case that the summed percentage may be higher than 100% also applies to Tables 9 and 10 where the project sectors and key issues in PPP are summarized respectively.<br/></div></td></tr></table>

<div>Summary of research methodologies in the literature sample.</div>

Advances in Civil Engineering

tab8

Table 8

Table 8: A Holistic Review of Public-Private Partnership Literature Published between 2008 and 2018 