SPIKE: Stata module to allow for a zero willingness to pay

João Pedro Azevedo ()

Statistical Software Components from Boston College Department of Economics

Abstract: spike command allows for a non-zero probability of zero willingness-to-pay in referendum-style contingent valuation experiments as suggested by Kristrom (1997). This property is particular usefull in experiments in which a large fraction of the population chose not to consume good being offered. In such circunstances the use of traditional parametric models based on probit and logit models are likelly to predict a negative willingness-to-pay.

Language: Stata
Requires: Stata version 8.0
Keywords: spike; willingness to pay; zero wtp (search for similar items in EconPapers)
Date: 2010-02-19
Note: This module should be installed from within Stata by typing "ssc install spike". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/s/spike.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/m/ml_spike.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/s/spike.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/f/ferry_dataset.dta sample dataset (application/x-stata)

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