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Testing the effectiveness of the oath script in reducing the hypothetical bias in the Contingent Valuation Method
cheap talk script Contingent Valuation oath script Willingness-To-Pay
2016/9/1
The objective of the study is to investigate the effect of the oath script (HO) in an hypothetical Contingent Valuation survey in a Mediterranean country (e.g. Italy). Hence, there were conducted the ...
Strategies for Overcoming Hypothetical Bias in Stated Preference Surveys
Strategies Overcoming Hypothetical Bias Stated Preference Surveys
2014/6/3
Strategies for Overcoming Hypothetical Bias in Stated Preference Surveys。
DOES THE GRAVITY MODEL SUFFER FROM SELECTION BIAS?
Gravity model selection bias Agrifood Trade Heckman Selection Model marginal effects
2014/4/11
When analyzing bilateral trade flow data, zero trade flows are quite common and problematic when a gravity equation is estimatedwith a log-linear functional form. This has caused many researchers to e...