Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments

Using multiple choice tasks per respondent in discrete choice experiment studies increase the amount of available information. However, treating repeated choice data in the same way as cross-sectional data may lead to biased estimates. In particular, respondents’ learning and fatigue may lead to...

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Main Authors: Greene, William, Czajkowski, M., Giergiczny, M.
Format: Working Paper
Published: University of Warsaw 2012
Subjects:
Online Access:http://www.wne.uw.edu.pl/inf/wyd/WP/WNE_WP74.pdf
http://hdl.handle.net/20.500.11937/42860
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author Greene, William
Czajkowski, M.
Giergiczny, M.
author_facet Greene, William
Czajkowski, M.
Giergiczny, M.
author_sort Greene, William
building Curtin Institutional Repository
collection Online Access
description Using multiple choice tasks per respondent in discrete choice experiment studies increase the amount of available information. However, treating repeated choice data in the same way as cross-sectional data may lead to biased estimates. In particular, respondents’ learning and fatigue may lead to changes in observed utility function preference (taste) parameters, as well as its error term variance (scale). Substantial body of empirical research offers mixed evidence in terms of whether (and which) of these ordering effects are observed. In this study we point to a significant component in explaining these differences – we show how accounting for unobservable preference and scale heterogeneity can influence the magnitude of observed ordering effects, especially if combined with too few choice tasks used for the analysis. We do this by utilizing the state-of-the-art modeling methods (H-MNL, S-MNL, HRPL, G-MNL) which we modify to accommodate choice task specific scale parameter. In addition, we investigate possible bias resulting from not accounting for ordering effects. Our empirical study was based in the context of environmental protection – management changes in the protection of Polish forests.
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spelling curtin-20.500.11937-428602017-01-30T15:02:43Z Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments Greene, William Czajkowski, M. Giergiczny, M. forest management biodiversity - recreation ordering effects preference and scale heterogeneity learning fatigue Using multiple choice tasks per respondent in discrete choice experiment studies increase the amount of available information. However, treating repeated choice data in the same way as cross-sectional data may lead to biased estimates. In particular, respondents’ learning and fatigue may lead to changes in observed utility function preference (taste) parameters, as well as its error term variance (scale). Substantial body of empirical research offers mixed evidence in terms of whether (and which) of these ordering effects are observed. In this study we point to a significant component in explaining these differences – we show how accounting for unobservable preference and scale heterogeneity can influence the magnitude of observed ordering effects, especially if combined with too few choice tasks used for the analysis. We do this by utilizing the state-of-the-art modeling methods (H-MNL, S-MNL, HRPL, G-MNL) which we modify to accommodate choice task specific scale parameter. In addition, we investigate possible bias resulting from not accounting for ordering effects. Our empirical study was based in the context of environmental protection – management changes in the protection of Polish forests. 2012 Working Paper http://hdl.handle.net/20.500.11937/42860 http://www.wne.uw.edu.pl/inf/wyd/WP/WNE_WP74.pdf University of Warsaw restricted
spellingShingle forest management
biodiversity
- recreation
ordering effects
preference and scale heterogeneity
learning
fatigue
Greene, William
Czajkowski, M.
Giergiczny, M.
Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title_full Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title_fullStr Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title_full_unstemmed Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title_short Learning and Fatigue Effects Revisited: The Impact of Accounting for Unobservable Preference and Scale Heterogeneity on Perceived Ordering Effects in Multiple Choice Task Discrete Choice Experiments
title_sort learning and fatigue effects revisited: the impact of accounting for unobservable preference and scale heterogeneity on perceived ordering effects in multiple choice task discrete choice experiments
topic forest management
biodiversity
- recreation
ordering effects
preference and scale heterogeneity
learning
fatigue
url http://www.wne.uw.edu.pl/inf/wyd/WP/WNE_WP74.pdf
http://hdl.handle.net/20.500.11937/42860