TY - JOUR A1 - Corso, P S A1 - Hammitt, J K A1 - Graham, J D T1 - Valuing mortality-risk reduction: using visual aids to improve the validity of contingent valuation. Y1 - 2001/09/ N1 - R825312 JF - JOURNAL OF RISK AND UNCERTAINTY J1 - J RISK UNCERTAINTY VL - 23 IS - 2 SP - 165 EP - 184 PB - Kluwer Online ER - TY - JOUR A1 - Hammitt, J K A1 - Graham, J D T1 - Willingness to pay for health protection: inadequate sensitivity to probability? Y1 - 1999/04/ N1 - R825312 JF - J RISK AND UNCERTAINTY VL - 18 IS - 1 SP - 33 EP - 62 ER - TY - JOUR A1 - Hammitt, J K A1 - Liu, J-T A1 - Lin, W-C T1 - Sensitivity of willingness to pay to the magnitude of risk reduction: a Taiwan-United States comparison. Y1 - 2000/10/ N1 - R825312 JF - JOURNAL OF RISK RESEARCH VL - 3 IS - 4 SP - 305 EP - 320 ER -