悬赏每篇20币求JSTOR文献5篇

（1）http://www.jstor.org/pss/1242685
Welfare Evaluations in Contingent Valuation Experiments with Discrete Response Data: Reply W. Michael Hanemann American Journal of Agricultural Economics, Vol. 71, No. 4 (Nov., 1989), pp. 1057-1061
（2）http://www.jstor.org/pss/3146486
Confidence Intervals for Evaluating Benefits Estimates from Dichotomous Choice Contingent Valuation Studies Timothy Park, John B. Loomis and Michael Creel Land Economics, Vol. 67, No. 1 (Feb., 1991), pp. 64-73
（3）http://www.jstor.org/pss/1243566
A Comparison of Contingent Preference Models John Mackenzie American Journal of Agricultural Economics, Vol. 75, No. 3 (Aug., 1993), pp. 593-603
（4）http://www.jstor.org/pss/3146548
Interval Estimates of Non-Market Resource Values from Referendum Contingent Valuation Surveys Trudy Ann Cameron Land Economics, Vol. 67, No. 4 (Nov., 1991), pp. 413-421

Welfare Evaluations

Confidence Intervals

A Comparison of Contingent Preference Models

Interval Estimates

Interval Estimates of Non-M...