Content-type: text/application/x-research-info-systems TY - JOUR TI - In brief JA - Econ Lab Market Rev PY - 2008/5/16/print VL - 2 IS - 5 SP - 3 EP - 4 PB - Crown copyright SN - 1751-8326 UR - http://dx.doi.org/10.1057/elmr.2008.65 ER -